72455320

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{5281}}^1$

素因数の和:5313

約数の個数: 64

約数和(自身を含む): 190152000

約数和(自身を除く): 117696680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 5281, 6860, 10562, 13720, 21124, 26405, 36967, 42248, 52810, 73934, 105620, 147868, 184835, 211240, 258769, 295736, 369670, 517538, 739340, 1035076, 1293845, 1478680, 1811383, 2070152, 2587690, 3622766, 5175380, 7245532, 9056915, 10350760, 14491064, 18113830, 36227660, 72455320]

約数ペア:

[(1, 72455320), (2, 36227660), (4, 18113830), (5, 14491064), (7, 10350760), (8, 9056915), (10, 7245532), (14, 5175380), (20, 3622766), (28, 2587690), (35, 2070152), (40, 1811383), (49, 1478680), (56, 1293845), (70, 1035076), (98, 739340), (140, 517538), (196, 369670), (245, 295736), (280, 258769), (343, 211240), (392, 184835), (490, 147868), (686, 105620), (980, 73934), (1372, 52810), (1715, 42248), (1960, 36967), (2744, 26405), (3430, 21124), (5281, 13720), (6860, 10562)]