245122020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:235

約数の個数: 288

約数和(自身を含む): 891596160

約数和(自身を除く): 646474140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 26, 30, 33, 36, 39, 44, 45, 52, 55, 60, 65, 66, 78, 89, 90, 99, 107, 110, 117, 130, 132, 143, 156, 165, 178, 180, 195, 198, 214, 220, 234, 260, 267, 286, 321, 330, 356, 390, 396, 428, 429, 445, 468, 495, 534, 535, 572, 585, 642, 660, 715, 780, 801, 858, 890, 963, 979, 990, 1068, 1070, 1157, 1170, 1177, 1284, 1287, 1335, 1391, 1430, 1602, 1605, 1716, 1780, 1926, 1958, 1980, 2140, 2145, 2314, 2340, 2354, 2574, 2670, 2782, 2860, 2937, 3204, 3210, 3471, 3531, 3852, 3916, 4005, 4173, 4290, 4628, 4708, 4815, 4895, 5148, 5340, 5564, 5785, 5874, 5885, 6420, 6435, 6942, 6955, 7062, 8010, 8346, 8580, 8811, 9523, 9630, 9790, 10413, 10593, 11570, 11748, 11770, 12519, 12727, 12870, 13884, 13910, 14124, 14685, 15301, 16020, 16692, 17355, 17622, 17655, 19046, 19260, 19580, 20826, 20865, 21186, 23140, 23540, 25038, 25454, 25740, 27820, 28569, 29370, 30602, 34710, 35244, 35310, 38092, 38181, 41652, 41730, 42372, 44055, 45903, 47615, 50076, 50908, 52065, 52965, 57138, 58740, 61204, 62595, 63635, 69420, 70620, 76362, 76505, 83460, 85707, 88110, 91806, 95230, 104130, 104753, 105930, 114276, 114543, 123799, 125190, 127270, 137709, 142845, 152724, 153010, 171414, 176220, 183612, 190460, 190905, 208260, 209506, 211860, 229086, 229515, 247598, 250380, 254540, 275418, 285690, 306020, 314259, 342828, 371397, 381810, 419012, 428535, 458172, 459030, 495196, 523765, 550836, 571380, 572715, 618995, 628518, 688545, 742794, 763620, 857070, 918060, 942777, 1047530, 1114191, 1145430, 1237990, 1257036, 1361789, 1377090, 1485588, 1571295, 1714140, 1856985, 1885554, 2095060, 2228382, 2290860, 2475980, 2723578, 2754180, 3142590, 3713970, 3771108, 4085367, 4456764, 4713885, 5447156, 5570955, 6285180, 6808945, 7427940, 8170734, 9427770, 11141910, 12256101, 13617890, 16341468, 18855540, 20426835, 22283820, 24512202, 27235780, 40853670, 49024404, 61280505, 81707340, 122561010, 245122020]

約数ペア:

[(1, 245122020), (2, 122561010), (3, 81707340), (4, 61280505), (5, 49024404), (6, 40853670), (9, 27235780), (10, 24512202), (11, 22283820), (12, 20426835), (13, 18855540), (15, 16341468), (18, 13617890), (20, 12256101), (22, 11141910), (26, 9427770), (30, 8170734), (33, 7427940), (36, 6808945), (39, 6285180), (44, 5570955), (45, 5447156), (52, 4713885), (55, 4456764), (60, 4085367), (65, 3771108), (66, 3713970), (78, 3142590), (89, 2754180), (90, 2723578), (99, 2475980), (107, 2290860), (110, 2228382), (117, 2095060), (130, 1885554), (132, 1856985), (143, 1714140), (156, 1571295), (165, 1485588), (178, 1377090), (180, 1361789), (195, 1257036), (198, 1237990), (214, 1145430), (220, 1114191), (234, 1047530), (260, 942777), (267, 918060), (286, 857070), (321, 763620), (330, 742794), (356, 688545), (390, 628518), (396, 618995), (428, 572715), (429, 571380), (445, 550836), (468, 523765), (495, 495196), (534, 459030), (535, 458172), (572, 428535), (585, 419012), (642, 381810), (660, 371397), (715, 342828), (780, 314259), (801, 306020), (858, 285690), (890, 275418), (963, 254540), (979, 250380), (990, 247598), (1068, 229515), (1070, 229086), (1157, 211860), (1170, 209506), (1177, 208260), (1284, 190905), (1287, 190460), (1335, 183612), (1391, 176220), (1430, 171414), (1602, 153010), (1605, 152724), (1716, 142845), (1780, 137709), (1926, 127270), (1958, 125190), (1980, 123799), (2140, 114543), (2145, 114276), (2314, 105930), (2340, 104753), (2354, 104130), (2574, 95230), (2670, 91806), (2782, 88110), (2860, 85707), (2937, 83460), (3204, 76505), (3210, 76362), (3471, 70620), (3531, 69420), (3852, 63635), (3916, 62595), (4005, 61204), (4173, 58740), (4290, 57138), (4628, 52965), (4708, 52065), (4815, 50908), (4895, 50076), (5148, 47615), (5340, 45903), (5564, 44055), (5785, 42372), (5874, 41730), (5885, 41652), (6420, 38181), (6435, 38092), (6942, 35310), (6955, 35244), (7062, 34710), (8010, 30602), (8346, 29370), (8580, 28569), (8811, 27820), (9523, 25740), (9630, 25454), (9790, 25038), (10413, 23540), (10593, 23140), (11570, 21186), (11748, 20865), (11770, 20826), (12519, 19580), (12727, 19260), (12870, 19046), (13884, 17655), (13910, 17622), (14124, 17355), (14685, 16692), (15301, 16020)]