31214920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1163}}^1$

素因数の和:1246

約数の個数: 64

約数和(自身を含む): 77941440

約数和(自身を除く): 46726520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1163, 1220, 1342, 2326, 2440, 2684, 3355, 4652, 5368, 5815, 6710, 9304, 11630, 12793, 13420, 23260, 25586, 26840, 46520, 51172, 63965, 70943, 102344, 127930, 141886, 255860, 283772, 354715, 511720, 567544, 709430, 780373, 1418860, 1560746, 2837720, 3121492, 3901865, 6242984, 7803730, 15607460, 31214920]

約数ペア:

[(1, 31214920), (2, 15607460), (4, 7803730), (5, 6242984), (8, 3901865), (10, 3121492), (11, 2837720), (20, 1560746), (22, 1418860), (40, 780373), (44, 709430), (55, 567544), (61, 511720), (88, 354715), (110, 283772), (122, 255860), (220, 141886), (244, 127930), (305, 102344), (440, 70943), (488, 63965), (610, 51172), (671, 46520), (1163, 26840), (1220, 25586), (1342, 23260), (2326, 13420), (2440, 12793), (2684, 11630), (3355, 9304), (4652, 6710), (5368, 5815)]