30747040

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6199}}^1$

素因数の和:6245

約数の個数: 48

約数和(自身を含む): 74995200

約数和(自身を除く): 44248160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 6199, 12398, 24796, 30995, 49592, 61990, 99184, 123980, 192169, 198368, 247960, 384338, 495920, 768676, 960845, 991840, 1537352, 1921690, 3074704, 3843380, 6149408, 7686760, 15373520, 30747040]

約数ペア:

[(1, 30747040), (2, 15373520), (4, 7686760), (5, 6149408), (8, 3843380), (10, 3074704), (16, 1921690), (20, 1537352), (31, 991840), (32, 960845), (40, 768676), (62, 495920), (80, 384338), (124, 247960), (155, 198368), (160, 192169), (248, 123980), (310, 99184), (496, 61990), (620, 49592), (992, 30995), (1240, 24796), (2480, 12398), (4960, 6199)]