345493760

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8707}}^1$

素因数の和:8759

約数の個数: 72

約数和(自身を含む): 854359296

約数和(自身を除く): 508865536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3968, 4960, 7936, 8707, 9920, 17414, 19840, 34828, 39680, 43535, 69656, 87070, 139312, 174140, 269917, 278624, 348280, 539834, 557248, 696560, 1079668, 1114496, 1349585, 1393120, 2159336, 2228992, 2699170, 2786240, 4318672, 5398340, 5572480, 8637344, 10796680, 11144960, 17274688, 21593360, 34549376, 43186720, 69098752, 86373440, 172746880, 345493760]

約数ペア:

[(1, 345493760), (2, 172746880), (4, 86373440), (5, 69098752), (8, 43186720), (10, 34549376), (16, 21593360), (20, 17274688), (31, 11144960), (32, 10796680), (40, 8637344), (62, 5572480), (64, 5398340), (80, 4318672), (124, 2786240), (128, 2699170), (155, 2228992), (160, 2159336), (248, 1393120), (256, 1349585), (310, 1114496), (320, 1079668), (496, 696560), (620, 557248), (640, 539834), (992, 348280), (1240, 278624), (1280, 269917), (1984, 174140), (2480, 139312), (3968, 87070), (4960, 69656), (7936, 43535), (8707, 39680), (9920, 34828), (17414, 19840)]