493723360

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2$

素因数の和:122

約数の個数: 216

約数和(自身を含む): 1373795640

約数和(自身を除く): 880072280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 31, 32, 38, 40, 52, 62, 65, 76, 80, 95, 104, 124, 130, 152, 155, 160, 169, 190, 208, 247, 248, 260, 304, 310, 338, 380, 403, 416, 494, 496, 520, 589, 608, 620, 676, 760, 806, 845, 961, 988, 992, 1040, 1178, 1235, 1240, 1352, 1520, 1612, 1690, 1922, 1976, 2015, 2080, 2356, 2470, 2480, 2704, 2945, 3040, 3211, 3224, 3380, 3844, 3952, 4030, 4712, 4805, 4940, 4960, 5239, 5408, 5890, 6422, 6448, 6760, 7657, 7688, 7904, 8060, 9424, 9610, 9880, 10478, 11780, 12493, 12844, 12896, 13520, 15314, 15376, 16055, 16120, 18259, 18848, 19220, 19760, 20956, 23560, 24986, 25688, 26195, 27040, 30628, 30752, 32110, 32240, 36518, 38285, 38440, 39520, 41912, 47120, 49972, 51376, 52390, 61256, 62465, 64220, 64480, 73036, 76570, 76880, 83824, 91295, 94240, 99541, 99944, 102752, 104780, 122512, 124930, 128440, 146072, 153140, 153760, 162409, 167648, 182590, 199082, 199888, 209560, 237367, 245024, 249860, 256880, 292144, 306280, 324818, 365180, 398164, 399776, 419120, 474734, 497705, 499720, 513760, 584288, 612560, 649636, 730360, 796328, 812045, 838240, 949468, 995410, 999440, 1186835, 1225120, 1299272, 1460720, 1592656, 1624090, 1898936, 1990820, 1998880, 2373670, 2598544, 2921440, 3085771, 3185312, 3248180, 3797872, 3981640, 4747340, 5197088, 6171542, 6496360, 7595744, 7963280, 9494680, 12343084, 12992720, 15428855, 15926560, 18989360, 24686168, 25985440, 30857710, 37978720, 49372336, 61715420, 98744672, 123430840, 246861680, 493723360]

約数ペア:

[(1, 493723360), (2, 246861680), (4, 123430840), (5, 98744672), (8, 61715420), (10, 49372336), (13, 37978720), (16, 30857710), (19, 25985440), (20, 24686168), (26, 18989360), (31, 15926560), (32, 15428855), (38, 12992720), (40, 12343084), (52, 9494680), (62, 7963280), (65, 7595744), (76, 6496360), (80, 6171542), (95, 5197088), (104, 4747340), (124, 3981640), (130, 3797872), (152, 3248180), (155, 3185312), (160, 3085771), (169, 2921440), (190, 2598544), (208, 2373670), (247, 1998880), (248, 1990820), (260, 1898936), (304, 1624090), (310, 1592656), (338, 1460720), (380, 1299272), (403, 1225120), (416, 1186835), (494, 999440), (496, 995410), (520, 949468), (589, 838240), (608, 812045), (620, 796328), (676, 730360), (760, 649636), (806, 612560), (845, 584288), (961, 513760), (988, 499720), (992, 497705), (1040, 474734), (1178, 419120), (1235, 399776), (1240, 398164), (1352, 365180), (1520, 324818), (1612, 306280), (1690, 292144), (1922, 256880), (1976, 249860), (2015, 245024), (2080, 237367), (2356, 209560), (2470, 199888), (2480, 199082), (2704, 182590), (2945, 167648), (3040, 162409), (3211, 153760), (3224, 153140), (3380, 146072), (3844, 128440), (3952, 124930), (4030, 122512), (4712, 104780), (4805, 102752), (4940, 99944), (4960, 99541), (5239, 94240), (5408, 91295), (5890, 83824), (6422, 76880), (6448, 76570), (6760, 73036), (7657, 64480), (7688, 64220), (7904, 62465), (8060, 61256), (9424, 52390), (9610, 51376), (9880, 49972), (10478, 47120), (11780, 41912), (12493, 39520), (12844, 38440), (12896, 38285), (13520, 36518), (15314, 32240), (15376, 32110), (16055, 30752), (16120, 30628), (18259, 27040), (18848, 26195), (19220, 25688), (19760, 24986), (20956, 23560)]