30139460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:313

約数の個数: 72

約数和(自身を含む): 70680456

約数和(自身を除く): 40540996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 169, 185, 241, 260, 338, 370, 481, 482, 676, 740, 845, 962, 964, 1205, 1690, 1924, 2405, 2410, 3133, 3380, 4810, 4820, 6253, 6266, 8917, 9620, 12506, 12532, 15665, 17834, 25012, 31265, 31330, 35668, 40729, 44585, 62530, 62660, 81458, 89170, 115921, 125060, 162916, 178340, 203645, 231842, 407290, 463684, 579605, 814580, 1159210, 1506973, 2318420, 3013946, 6027892, 7534865, 15069730, 30139460]

約数ペア:

[(1, 30139460), (2, 15069730), (4, 7534865), (5, 6027892), (10, 3013946), (13, 2318420), (20, 1506973), (26, 1159210), (37, 814580), (52, 579605), (65, 463684), (74, 407290), (130, 231842), (148, 203645), (169, 178340), (185, 162916), (241, 125060), (260, 115921), (338, 89170), (370, 81458), (481, 62660), (482, 62530), (676, 44585), (740, 40729), (845, 35668), (962, 31330), (964, 31265), (1205, 25012), (1690, 17834), (1924, 15665), (2405, 12532), (2410, 12506), (3133, 9620), (3380, 8917), (4810, 6266), (4820, 6253)]