90093440

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:308

約数の個数: 128

約数和(自身を含む): 235008000

約数和(自身を除く): 144914560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 239, 248, 304, 310, 320, 380, 478, 496, 589, 608, 620, 640, 760, 956, 992, 1178, 1195, 1216, 1240, 1520, 1912, 1984, 2356, 2390, 2432, 2480, 2945, 3040, 3824, 3968, 4541, 4712, 4780, 4960, 5890, 6080, 7409, 7648, 9082, 9424, 9560, 9920, 11780, 12160, 14818, 15296, 18164, 18848, 19120, 19840, 22705, 23560, 29636, 30592, 36328, 37045, 37696, 38240, 45410, 47120, 59272, 72656, 74090, 75392, 76480, 90820, 94240, 118544, 140771, 145312, 148180, 152960, 181640, 188480, 237088, 281542, 290624, 296360, 363280, 376960, 474176, 563084, 581248, 592720, 703855, 726560, 948352, 1126168, 1185440, 1407710, 1453120, 2252336, 2370880, 2815420, 2906240, 4504672, 4741760, 5630840, 9009344, 11261680, 18018688, 22523360, 45046720, 90093440]

約数ペア:

[(1, 90093440), (2, 45046720), (4, 22523360), (5, 18018688), (8, 11261680), (10, 9009344), (16, 5630840), (19, 4741760), (20, 4504672), (31, 2906240), (32, 2815420), (38, 2370880), (40, 2252336), (62, 1453120), (64, 1407710), (76, 1185440), (80, 1126168), (95, 948352), (124, 726560), (128, 703855), (152, 592720), (155, 581248), (160, 563084), (190, 474176), (239, 376960), (248, 363280), (304, 296360), (310, 290624), (320, 281542), (380, 237088), (478, 188480), (496, 181640), (589, 152960), (608, 148180), (620, 145312), (640, 140771), (760, 118544), (956, 94240), (992, 90820), (1178, 76480), (1195, 75392), (1216, 74090), (1240, 72656), (1520, 59272), (1912, 47120), (1984, 45410), (2356, 38240), (2390, 37696), (2432, 37045), (2480, 36328), (2945, 30592), (3040, 29636), (3824, 23560), (3968, 22705), (4541, 19840), (4712, 19120), (4780, 18848), (4960, 18164), (5890, 15296), (6080, 14818), (7409, 12160), (7648, 11780), (9082, 9920), (9424, 9560)]