156937720

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{5581}}^1$

素因数の和:5648

約数の個数: 64

約数和(自身を含む): 381808800

約数和(自身を除く): 224871080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 37, 38, 40, 74, 76, 95, 148, 152, 185, 190, 296, 370, 380, 703, 740, 760, 1406, 1480, 2812, 3515, 5581, 5624, 7030, 11162, 14060, 22324, 27905, 28120, 44648, 55810, 106039, 111620, 206497, 212078, 223240, 412994, 424156, 530195, 825988, 848312, 1032485, 1060390, 1651976, 2064970, 2120780, 3923443, 4129940, 4241560, 7846886, 8259880, 15693772, 19617215, 31387544, 39234430, 78468860, 156937720]

約数ペア:

[(1, 156937720), (2, 78468860), (4, 39234430), (5, 31387544), (8, 19617215), (10, 15693772), (19, 8259880), (20, 7846886), (37, 4241560), (38, 4129940), (40, 3923443), (74, 2120780), (76, 2064970), (95, 1651976), (148, 1060390), (152, 1032485), (185, 848312), (190, 825988), (296, 530195), (370, 424156), (380, 412994), (703, 223240), (740, 212078), (760, 206497), (1406, 111620), (1480, 106039), (2812, 55810), (3515, 44648), (5581, 28120), (5624, 27905), (7030, 22324), (11162, 14060)]