31572840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:611

約数の個数: 128

約数和(自身を含む): 104952960

約数和(自身を除く): 73380120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 37, 39, 40, 52, 60, 65, 74, 78, 104, 111, 120, 130, 148, 156, 185, 195, 222, 260, 296, 312, 370, 390, 444, 481, 520, 547, 555, 740, 780, 888, 962, 1094, 1110, 1443, 1480, 1560, 1641, 1924, 2188, 2220, 2405, 2735, 2886, 3282, 3848, 4376, 4440, 4810, 5470, 5772, 6564, 7111, 7215, 8205, 9620, 10940, 11544, 13128, 14222, 14430, 16410, 19240, 20239, 21333, 21880, 28444, 28860, 32820, 35555, 40478, 42666, 56888, 57720, 60717, 65640, 71110, 80956, 85332, 101195, 106665, 121434, 142220, 161912, 170664, 202390, 213330, 242868, 263107, 284440, 303585, 404780, 426660, 485736, 526214, 607170, 789321, 809560, 853320, 1052428, 1214340, 1315535, 1578642, 2104856, 2428680, 2631070, 3157284, 3946605, 5262140, 6314568, 7893210, 10524280, 15786420, 31572840]

約数ペア:

[(1, 31572840), (2, 15786420), (3, 10524280), (4, 7893210), (5, 6314568), (6, 5262140), (8, 3946605), (10, 3157284), (12, 2631070), (13, 2428680), (15, 2104856), (20, 1578642), (24, 1315535), (26, 1214340), (30, 1052428), (37, 853320), (39, 809560), (40, 789321), (52, 607170), (60, 526214), (65, 485736), (74, 426660), (78, 404780), (104, 303585), (111, 284440), (120, 263107), (130, 242868), (148, 213330), (156, 202390), (185, 170664), (195, 161912), (222, 142220), (260, 121434), (296, 106665), (312, 101195), (370, 85332), (390, 80956), (444, 71110), (481, 65640), (520, 60717), (547, 57720), (555, 56888), (740, 42666), (780, 40478), (888, 35555), (962, 32820), (1094, 28860), (1110, 28444), (1443, 21880), (1480, 21333), (1560, 20239), (1641, 19240), (1924, 16410), (2188, 14430), (2220, 14222), (2405, 13128), (2735, 11544), (2886, 10940), (3282, 9620), (3848, 8205), (4376, 7215), (4440, 7111), (4810, 6564), (5470, 5772)]