31625580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{347}}^1$

素因数の和:404

約数の個数: 144

約数和(自身を含む): 106638336

約数和(自身を除く): 75012756

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 347, 372, 420, 434, 465, 490, 588, 620, 651, 694, 735, 868, 930, 980, 1041, 1085, 1302, 1388, 1470, 1519, 1735, 1860, 2082, 2170, 2429, 2604, 2940, 3038, 3255, 3470, 4164, 4340, 4557, 4858, 5205, 6076, 6510, 6940, 7287, 7595, 9114, 9716, 10410, 10757, 12145, 13020, 14574, 15190, 17003, 18228, 20820, 21514, 22785, 24290, 29148, 30380, 32271, 34006, 36435, 43028, 45570, 48580, 51009, 53785, 64542, 68012, 72870, 75299, 85015, 91140, 102018, 107570, 129084, 145740, 150598, 161355, 170030, 204036, 215140, 225897, 255045, 301196, 322710, 340060, 376495, 451794, 510090, 527093, 645420, 752990, 903588, 1020180, 1054186, 1129485, 1505980, 1581279, 2108372, 2258970, 2635465, 3162558, 4517940, 5270930, 6325116, 7906395, 10541860, 15812790, 31625580]

約数ペア:

[(1, 31625580), (2, 15812790), (3, 10541860), (4, 7906395), (5, 6325116), (6, 5270930), (7, 4517940), (10, 3162558), (12, 2635465), (14, 2258970), (15, 2108372), (20, 1581279), (21, 1505980), (28, 1129485), (30, 1054186), (31, 1020180), (35, 903588), (42, 752990), (49, 645420), (60, 527093), (62, 510090), (70, 451794), (84, 376495), (93, 340060), (98, 322710), (105, 301196), (124, 255045), (140, 225897), (147, 215140), (155, 204036), (186, 170030), (196, 161355), (210, 150598), (217, 145740), (245, 129084), (294, 107570), (310, 102018), (347, 91140), (372, 85015), (420, 75299), (434, 72870), (465, 68012), (490, 64542), (588, 53785), (620, 51009), (651, 48580), (694, 45570), (735, 43028), (868, 36435), (930, 34006), (980, 32271), (1041, 30380), (1085, 29148), (1302, 24290), (1388, 22785), (1470, 21514), (1519, 20820), (1735, 18228), (1860, 17003), (2082, 15190), (2170, 14574), (2429, 13020), (2604, 12145), (2940, 10757), (3038, 10410), (3255, 9716), (3470, 9114), (4164, 7595), (4340, 7287), (4557, 6940), (4858, 6510), (5205, 6076)]