31096780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 96

約数和(自身を含む): 78236928

約数和(自身を除く): 47140148

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 83, 110, 130, 131, 143, 166, 220, 260, 262, 286, 332, 415, 524, 572, 655, 715, 830, 913, 1079, 1310, 1430, 1441, 1660, 1703, 1826, 2158, 2620, 2860, 2882, 3406, 3652, 4316, 4565, 5395, 5764, 6812, 7205, 8515, 9130, 10790, 10873, 11869, 14410, 17030, 18260, 18733, 21580, 21746, 23738, 28820, 34060, 37466, 43492, 47476, 54365, 59345, 74932, 93665, 108730, 118690, 119603, 141349, 187330, 217460, 237380, 239206, 282698, 374660, 478412, 565396, 598015, 706745, 1196030, 1413490, 1554839, 2392060, 2826980, 3109678, 6219356, 7774195, 15548390, 31096780]

約数ペア:

[(1, 31096780), (2, 15548390), (4, 7774195), (5, 6219356), (10, 3109678), (11, 2826980), (13, 2392060), (20, 1554839), (22, 1413490), (26, 1196030), (44, 706745), (52, 598015), (55, 565396), (65, 478412), (83, 374660), (110, 282698), (130, 239206), (131, 237380), (143, 217460), (166, 187330), (220, 141349), (260, 119603), (262, 118690), (286, 108730), (332, 93665), (415, 74932), (524, 59345), (572, 54365), (655, 47476), (715, 43492), (830, 37466), (913, 34060), (1079, 28820), (1310, 23738), (1430, 21746), (1441, 21580), (1660, 18733), (1703, 18260), (1826, 17030), (2158, 14410), (2620, 11869), (2860, 10873), (2882, 10790), (3406, 9130), (3652, 8515), (4316, 7205), (4565, 6812), (5395, 5764)]