179591680

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^2\times {\mathrm{73}}^1$

素因数の和:158

約数の個数: 120

約数和(自身を含む): 451032516

約数和(自身を除く): 271440836

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 73, 80, 124, 128, 146, 155, 160, 248, 256, 292, 310, 320, 365, 496, 512, 584, 620, 640, 730, 961, 992, 1168, 1240, 1280, 1460, 1922, 1984, 2263, 2336, 2480, 2560, 2920, 3844, 3968, 4526, 4672, 4805, 4960, 5840, 7688, 7936, 9052, 9344, 9610, 9920, 11315, 11680, 15376, 15872, 18104, 18688, 19220, 19840, 22630, 23360, 30752, 36208, 37376, 38440, 39680, 45260, 46720, 61504, 70153, 72416, 76880, 79360, 90520, 93440, 123008, 140306, 144832, 153760, 181040, 186880, 246016, 280612, 289664, 307520, 350765, 362080, 492032, 561224, 579328, 615040, 701530, 724160, 1122448, 1158656, 1230080, 1403060, 1448320, 2244896, 2460160, 2806120, 2896640, 4489792, 5612240, 5793280, 8979584, 11224480, 17959168, 22448960, 35918336, 44897920, 89795840, 179591680]

約数ペア:

[(1, 179591680), (2, 89795840), (4, 44897920), (5, 35918336), (8, 22448960), (10, 17959168), (16, 11224480), (20, 8979584), (31, 5793280), (32, 5612240), (40, 4489792), (62, 2896640), (64, 2806120), (73, 2460160), (80, 2244896), (124, 1448320), (128, 1403060), (146, 1230080), (155, 1158656), (160, 1122448), (248, 724160), (256, 701530), (292, 615040), (310, 579328), (320, 561224), (365, 492032), (496, 362080), (512, 350765), (584, 307520), (620, 289664), (640, 280612), (730, 246016), (961, 186880), (992, 181040), (1168, 153760), (1240, 144832), (1280, 140306), (1460, 123008), (1922, 93440), (1984, 90520), (2263, 79360), (2336, 76880), (2480, 72416), (2560, 70153), (2920, 61504), (3844, 46720), (3968, 45260), (4526, 39680), (4672, 38440), (4805, 37376), (4960, 36208), (5840, 30752), (7688, 23360), (7936, 22630), (9052, 19840), (9344, 19220), (9610, 18688), (9920, 18104), (11315, 15872), (11680, 15376)]