153938560

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7759}}^1$

素因数の和:7809

約数の個数: 64

約数和(自身を含む): 379929600

約数和(自身を除く): 225991040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3968, 4960, 7759, 9920, 15518, 19840, 31036, 38795, 62072, 77590, 124144, 155180, 240529, 248288, 310360, 481058, 496576, 620720, 962116, 993152, 1202645, 1241440, 1924232, 2405290, 2482880, 3848464, 4810580, 4965760, 7696928, 9621160, 15393856, 19242320, 30787712, 38484640, 76969280, 153938560]

約数ペア:

[(1, 153938560), (2, 76969280), (4, 38484640), (5, 30787712), (8, 19242320), (10, 15393856), (16, 9621160), (20, 7696928), (31, 4965760), (32, 4810580), (40, 3848464), (62, 2482880), (64, 2405290), (80, 1924232), (124, 1241440), (128, 1202645), (155, 993152), (160, 962116), (248, 620720), (310, 496576), (320, 481058), (496, 310360), (620, 248288), (640, 240529), (992, 155180), (1240, 124144), (1984, 77590), (2480, 62072), (3968, 38795), (4960, 31036), (7759, 19840), (9920, 15518)]