90883840

素因数分解:

$2^8\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 237676320

約数和(自身を除く): 146792480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 64, 74, 76, 80, 95, 101, 128, 148, 152, 160, 185, 190, 202, 256, 296, 304, 320, 370, 380, 404, 505, 592, 608, 640, 703, 740, 760, 808, 1010, 1184, 1216, 1280, 1406, 1480, 1520, 1616, 1919, 2020, 2368, 2432, 2812, 2960, 3040, 3232, 3515, 3737, 3838, 4040, 4736, 4864, 5624, 5920, 6080, 6464, 7030, 7474, 7676, 8080, 9472, 9595, 11248, 11840, 12160, 12928, 14060, 14948, 15352, 16160, 18685, 19190, 22496, 23680, 24320, 25856, 28120, 29896, 30704, 32320, 37370, 38380, 44992, 47360, 56240, 59792, 61408, 64640, 71003, 74740, 76760, 89984, 112480, 119584, 122816, 129280, 142006, 149480, 153520, 179968, 224960, 239168, 245632, 284012, 298960, 307040, 355015, 449920, 478336, 491264, 568024, 597920, 614080, 710030, 899840, 956672, 1136048, 1195840, 1228160, 1420060, 2272096, 2391680, 2456320, 2840120, 4544192, 4783360, 5680240, 9088384, 11360480, 18176768, 22720960, 45441920, 90883840]

約数ペア:

[(1, 90883840), (2, 45441920), (4, 22720960), (5, 18176768), (8, 11360480), (10, 9088384), (16, 5680240), (19, 4783360), (20, 4544192), (32, 2840120), (37, 2456320), (38, 2391680), (40, 2272096), (64, 1420060), (74, 1228160), (76, 1195840), (80, 1136048), (95, 956672), (101, 899840), (128, 710030), (148, 614080), (152, 597920), (160, 568024), (185, 491264), (190, 478336), (202, 449920), (256, 355015), (296, 307040), (304, 298960), (320, 284012), (370, 245632), (380, 239168), (404, 224960), (505, 179968), (592, 153520), (608, 149480), (640, 142006), (703, 129280), (740, 122816), (760, 119584), (808, 112480), (1010, 89984), (1184, 76760), (1216, 74740), (1280, 71003), (1406, 64640), (1480, 61408), (1520, 59792), (1616, 56240), (1919, 47360), (2020, 44992), (2368, 38380), (2432, 37370), (2812, 32320), (2960, 30704), (3040, 29896), (3232, 28120), (3515, 25856), (3737, 24320), (3838, 23680), (4040, 22496), (4736, 19190), (4864, 18685), (5624, 16160), (5920, 15352), (6080, 14948), (6464, 14060), (7030, 12928), (7474, 12160), (7676, 11840), (8080, 11248), (9472, 9595)]