156817840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1709}}^1$

素因数の和:1790

約数の個数: 80

約数和(自身を含む): 386760960

約数和(自身を除く): 229943120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 37, 40, 62, 74, 80, 124, 148, 155, 185, 248, 296, 310, 370, 496, 592, 620, 740, 1147, 1240, 1480, 1709, 2294, 2480, 2960, 3418, 4588, 5735, 6836, 8545, 9176, 11470, 13672, 17090, 18352, 22940, 27344, 34180, 45880, 52979, 63233, 68360, 91760, 105958, 126466, 136720, 211916, 252932, 264895, 316165, 423832, 505864, 529790, 632330, 847664, 1011728, 1059580, 1264660, 1960223, 2119160, 2529320, 3920446, 4238320, 5058640, 7840892, 9801115, 15681784, 19602230, 31363568, 39204460, 78408920, 156817840]

約数ペア:

[(1, 156817840), (2, 78408920), (4, 39204460), (5, 31363568), (8, 19602230), (10, 15681784), (16, 9801115), (20, 7840892), (31, 5058640), (37, 4238320), (40, 3920446), (62, 2529320), (74, 2119160), (80, 1960223), (124, 1264660), (148, 1059580), (155, 1011728), (185, 847664), (248, 632330), (296, 529790), (310, 505864), (370, 423832), (496, 316165), (592, 264895), (620, 252932), (740, 211916), (1147, 136720), (1240, 126466), (1480, 105958), (1709, 91760), (2294, 68360), (2480, 63233), (2960, 52979), (3418, 45880), (4588, 34180), (5735, 27344), (6836, 22940), (8545, 18352), (9176, 17090), (11470, 13672)]