31387410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:352

約数の個数: 96

約数和(自身を含む): 86935680

約数和(自身を除く): 55548270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 59, 69, 90, 115, 118, 138, 177, 207, 230, 257, 295, 345, 354, 414, 514, 531, 590, 690, 771, 885, 1035, 1062, 1285, 1357, 1542, 1770, 2070, 2313, 2570, 2655, 2714, 3855, 4071, 4626, 5310, 5911, 6785, 7710, 8142, 11565, 11822, 12213, 13570, 15163, 17733, 20355, 23130, 24426, 29555, 30326, 35466, 40710, 45489, 53199, 59110, 61065, 75815, 88665, 90978, 106398, 122130, 136467, 151630, 177330, 227445, 265995, 272934, 348749, 454890, 531990, 682335, 697498, 1046247, 1364670, 1743745, 2092494, 3138741, 3487490, 5231235, 6277482, 10462470, 15693705, 31387410]

約数ペア:

[(1, 31387410), (2, 15693705), (3, 10462470), (5, 6277482), (6, 5231235), (9, 3487490), (10, 3138741), (15, 2092494), (18, 1743745), (23, 1364670), (30, 1046247), (45, 697498), (46, 682335), (59, 531990), (69, 454890), (90, 348749), (115, 272934), (118, 265995), (138, 227445), (177, 177330), (207, 151630), (230, 136467), (257, 122130), (295, 106398), (345, 90978), (354, 88665), (414, 75815), (514, 61065), (531, 59110), (590, 53199), (690, 45489), (771, 40710), (885, 35466), (1035, 30326), (1062, 29555), (1285, 24426), (1357, 23130), (1542, 20355), (1770, 17733), (2070, 15163), (2313, 13570), (2570, 12213), (2655, 11822), (2714, 11565), (3855, 8142), (4071, 7710), (4626, 6785), (5310, 5911)]