1455720320

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1$

素因数の和:596

約数の個数: 128

約数和(自身を含む): 3619123200

約数和(自身を除く): 2163402880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 239, 248, 307, 310, 320, 478, 496, 614, 620, 640, 956, 992, 1195, 1228, 1240, 1535, 1912, 1984, 2390, 2456, 2480, 3070, 3824, 3968, 4780, 4912, 4960, 6140, 7409, 7648, 9517, 9560, 9824, 9920, 12280, 14818, 15296, 19034, 19120, 19648, 19840, 24560, 29636, 30592, 37045, 38068, 38240, 39296, 47585, 49120, 59272, 73373, 74090, 76136, 76480, 95170, 98240, 118544, 146746, 148180, 152272, 152960, 190340, 196480, 237088, 293492, 296360, 304544, 366865, 380680, 474176, 586984, 592720, 609088, 733730, 761360, 948352, 1173968, 1185440, 1218176, 1467460, 1522720, 2274563, 2347936, 2370880, 2934920, 3045440, 4549126, 4695872, 4741760, 5869840, 6090880, 9098252, 9391744, 11372815, 11739680, 18196504, 22745630, 23479360, 36393008, 45491260, 46958720, 72786016, 90982520, 145572032, 181965040, 291144064, 363930080, 727860160, 1455720320]

約数ペア:

[(1, 1455720320), (2, 727860160), (4, 363930080), (5, 291144064), (8, 181965040), (10, 145572032), (16, 90982520), (20, 72786016), (31, 46958720), (32, 45491260), (40, 36393008), (62, 23479360), (64, 22745630), (80, 18196504), (124, 11739680), (128, 11372815), (155, 9391744), (160, 9098252), (239, 6090880), (248, 5869840), (307, 4741760), (310, 4695872), (320, 4549126), (478, 3045440), (496, 2934920), (614, 2370880), (620, 2347936), (640, 2274563), (956, 1522720), (992, 1467460), (1195, 1218176), (1228, 1185440), (1240, 1173968), (1535, 948352), (1912, 761360), (1984, 733730), (2390, 609088), (2456, 592720), (2480, 586984), (3070, 474176), (3824, 380680), (3968, 366865), (4780, 304544), (4912, 296360), (4960, 293492), (6140, 237088), (7409, 196480), (7648, 190340), (9517, 152960), (9560, 152272), (9824, 148180), (9920, 146746), (12280, 118544), (14818, 98240), (15296, 95170), (19034, 76480), (19120, 76136), (19648, 74090), (19840, 73373), (24560, 59272), (29636, 49120), (30592, 47585), (37045, 39296), (38068, 38240)]