19877276580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^2\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:355

約数の個数: 288

約数和(自身を含む): 65877525504

約数和(自身を除く): 46000248924

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 73, 83, 84, 105, 107, 140, 146, 166, 210, 214, 219, 249, 292, 321, 332, 365, 415, 420, 428, 438, 498, 511, 535, 581, 642, 730, 749, 830, 876, 996, 1022, 1070, 1095, 1162, 1245, 1284, 1460, 1498, 1533, 1605, 1660, 1743, 2044, 2140, 2190, 2247, 2324, 2490, 2555, 2905, 2996, 3066, 3210, 3486, 3745, 4380, 4494, 4980, 5110, 5329, 5810, 6059, 6132, 6420, 6972, 7490, 7665, 7811, 8715, 8881, 8988, 10220, 10658, 11235, 11620, 12118, 14980, 15330, 15622, 15987, 17430, 17762, 18177, 21316, 22470, 23433, 24236, 26643, 26645, 30295, 30660, 31244, 31974, 34860, 35524, 36354, 37303, 39055, 42413, 44405, 44940, 46866, 53286, 53290, 54677, 60590, 62167, 63948, 72708, 74606, 78110, 79935, 84826, 88810, 90885, 93732, 106572, 106580, 109354, 111909, 117165, 121180, 124334, 127239, 133215, 149212, 156220, 159870, 164031, 169652, 177620, 181770, 186501, 186515, 212065, 218708, 223818, 234330, 248668, 254478, 266430, 273385, 310835, 319740, 328062, 363540, 373002, 373030, 424130, 442307, 447636, 468660, 508956, 532860, 546770, 559545, 570203, 621670, 636195, 648313, 656124, 746004, 746060, 820155, 848260, 884614, 932505, 1093540, 1119090, 1140406, 1243340, 1272390, 1296626, 1326921, 1640310, 1710609, 1769228, 1865010, 1944939, 2211535, 2238180, 2280812, 2544780, 2593252, 2653842, 2851015, 3096149, 3241565, 3280620, 3421218, 3730020, 3889878, 3991421, 4423070, 4538191, 5307684, 5702030, 6192298, 6483130, 6634605, 6842436, 7779756, 7982842, 8553045, 8846140, 9076382, 9288447, 9724695, 11404060, 11974263, 12384596, 12966260, 13269210, 13614573, 15480745, 15965684, 17106090, 18152764, 18576894, 19449390, 19957105, 22690955, 23948526, 26538420, 27229146, 30961490, 34212180, 37153788, 38898780, 39914210, 45381910, 46442235, 47326849, 47897052, 54458292, 59871315, 61922980, 68072865, 79828420, 90763820, 92884470, 94653698, 119742630, 136145730, 141980547, 185768940, 189307396, 236634245, 239485260, 272291460, 283961094, 331287943, 473268490, 567922188, 662575886, 709902735, 946536980, 993863829, 1325151772, 1419805470, 1656439715, 1987727658, 2839610940, 3312879430, 3975455316, 4969319145, 6625758860, 9938638290, 19877276580]

約数ペア:

[(1, 19877276580), (2, 9938638290), (3, 6625758860), (4, 4969319145), (5, 3975455316), (6, 3312879430), (7, 2839610940), (10, 1987727658), (12, 1656439715), (14, 1419805470), (15, 1325151772), (20, 993863829), (21, 946536980), (28, 709902735), (30, 662575886), (35, 567922188), (42, 473268490), (60, 331287943), (70, 283961094), (73, 272291460), (83, 239485260), (84, 236634245), (105, 189307396), (107, 185768940), (140, 141980547), (146, 136145730), (166, 119742630), (210, 94653698), (214, 92884470), (219, 90763820), (249, 79828420), (292, 68072865), (321, 61922980), (332, 59871315), (365, 54458292), (415, 47897052), (420, 47326849), (428, 46442235), (438, 45381910), (498, 39914210), (511, 38898780), (535, 37153788), (581, 34212180), (642, 30961490), (730, 27229146), (749, 26538420), (830, 23948526), (876, 22690955), (996, 19957105), (1022, 19449390), (1070, 18576894), (1095, 18152764), (1162, 17106090), (1245, 15965684), (1284, 15480745), (1460, 13614573), (1498, 13269210), (1533, 12966260), (1605, 12384596), (1660, 11974263), (1743, 11404060), (2044, 9724695), (2140, 9288447), (2190, 9076382), (2247, 8846140), (2324, 8553045), (2490, 7982842), (2555, 7779756), (2905, 6842436), (2996, 6634605), (3066, 6483130), (3210, 6192298), (3486, 5702030), (3745, 5307684), (4380, 4538191), (4494, 4423070), (4980, 3991421), (5110, 3889878), (5329, 3730020), (5810, 3421218), (6059, 3280620), (6132, 3241565), (6420, 3096149), (6972, 2851015), (7490, 2653842), (7665, 2593252), (7811, 2544780), (8715, 2280812), (8881, 2238180), (8988, 2211535), (10220, 1944939), (10658, 1865010), (11235, 1769228), (11620, 1710609), (12118, 1640310), (14980, 1326921), (15330, 1296626), (15622, 1272390), (15987, 1243340), (17430, 1140406), (17762, 1119090), (18177, 1093540), (21316, 932505), (22470, 884614), (23433, 848260), (24236, 820155), (26643, 746060), (26645, 746004), (30295, 656124), (30660, 648313), (31244, 636195), (31974, 621670), (34860, 570203), (35524, 559545), (36354, 546770), (37303, 532860), (39055, 508956), (42413, 468660), (44405, 447636), (44940, 442307), (46866, 424130), (53286, 373030), (53290, 373002), (54677, 363540), (60590, 328062), (62167, 319740), (63948, 310835), (72708, 273385), (74606, 266430), (78110, 254478), (79935, 248668), (84826, 234330), (88810, 223818), (90885, 218708), (93732, 212065), (106572, 186515), (106580, 186501), (109354, 181770), (111909, 177620), (117165, 169652), (121180, 164031), (124334, 159870), (127239, 156220), (133215, 149212)]