220144640

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:148

約数の個数: 176

約数和(自身を含む): 581675520

約数和(自身を除く): 361530880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 73, 76, 80, 95, 124, 128, 146, 152, 155, 160, 190, 248, 256, 292, 304, 310, 320, 365, 380, 496, 512, 584, 589, 608, 620, 640, 730, 760, 992, 1024, 1168, 1178, 1216, 1240, 1280, 1387, 1460, 1520, 1984, 2263, 2336, 2356, 2432, 2480, 2560, 2774, 2920, 2945, 3040, 3968, 4526, 4672, 4712, 4864, 4960, 5120, 5548, 5840, 5890, 6080, 6935, 7936, 9052, 9344, 9424, 9728, 9920, 11096, 11315, 11680, 11780, 12160, 13870, 15872, 18104, 18688, 18848, 19456, 19840, 22192, 22630, 23360, 23560, 24320, 27740, 31744, 36208, 37376, 37696, 39680, 42997, 44384, 45260, 46720, 47120, 48640, 55480, 72416, 74752, 75392, 79360, 85994, 88768, 90520, 93440, 94240, 97280, 110960, 144832, 150784, 158720, 171988, 177536, 181040, 186880, 188480, 214985, 221920, 289664, 301568, 343976, 355072, 362080, 373760, 376960, 429970, 443840, 579328, 603136, 687952, 710144, 724160, 753920, 859940, 887680, 1158656, 1375904, 1420288, 1448320, 1507840, 1719880, 1775360, 2317312, 2751808, 2896640, 3015680, 3439760, 3550720, 5503616, 5793280, 6879520, 7101440, 11007232, 11586560, 13759040, 22014464, 27518080, 44028928, 55036160, 110072320, 220144640]

約数ペア:

[(1, 220144640), (2, 110072320), (4, 55036160), (5, 44028928), (8, 27518080), (10, 22014464), (16, 13759040), (19, 11586560), (20, 11007232), (31, 7101440), (32, 6879520), (38, 5793280), (40, 5503616), (62, 3550720), (64, 3439760), (73, 3015680), (76, 2896640), (80, 2751808), (95, 2317312), (124, 1775360), (128, 1719880), (146, 1507840), (152, 1448320), (155, 1420288), (160, 1375904), (190, 1158656), (248, 887680), (256, 859940), (292, 753920), (304, 724160), (310, 710144), (320, 687952), (365, 603136), (380, 579328), (496, 443840), (512, 429970), (584, 376960), (589, 373760), (608, 362080), (620, 355072), (640, 343976), (730, 301568), (760, 289664), (992, 221920), (1024, 214985), (1168, 188480), (1178, 186880), (1216, 181040), (1240, 177536), (1280, 171988), (1387, 158720), (1460, 150784), (1520, 144832), (1984, 110960), (2263, 97280), (2336, 94240), (2356, 93440), (2432, 90520), (2480, 88768), (2560, 85994), (2774, 79360), (2920, 75392), (2945, 74752), (3040, 72416), (3968, 55480), (4526, 48640), (4672, 47120), (4712, 46720), (4864, 45260), (4960, 44384), (5120, 42997), (5548, 39680), (5840, 37696), (5890, 37376), (6080, 36208), (6935, 31744), (7936, 27740), (9052, 24320), (9344, 23560), (9424, 23360), (9728, 22630), (9920, 22192), (11096, 19840), (11315, 19456), (11680, 18848), (11780, 18688), (12160, 18104), (13870, 15872)]