81309060

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1373}}^1$

素因数の和:1442

約数の個数: 144

約数和(自身を含む): 288078336

約数和(自身を除く): 206769276

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 47, 60, 63, 70, 84, 90, 94, 105, 126, 140, 141, 180, 188, 210, 235, 252, 282, 315, 329, 420, 423, 470, 564, 630, 658, 705, 846, 940, 987, 1260, 1316, 1373, 1410, 1645, 1692, 1974, 2115, 2746, 2820, 2961, 3290, 3948, 4119, 4230, 4935, 5492, 5922, 6580, 6865, 8238, 8460, 9611, 9870, 11844, 12357, 13730, 14805, 16476, 19222, 19740, 20595, 24714, 27460, 28833, 29610, 38444, 41190, 48055, 49428, 57666, 59220, 61785, 64531, 82380, 86499, 96110, 115332, 123570, 129062, 144165, 172998, 192220, 193593, 247140, 258124, 288330, 322655, 345996, 387186, 432495, 451717, 576660, 580779, 645310, 774372, 864990, 903434, 967965, 1161558, 1290620, 1355151, 1729980, 1806868, 1935930, 2258585, 2323116, 2710302, 2903895, 3871860, 4065453, 4517170, 5420604, 5807790, 6775755, 8130906, 9034340, 11615580, 13551510, 16261812, 20327265, 27103020, 40654530, 81309060]

約数ペア:

[(1, 81309060), (2, 40654530), (3, 27103020), (4, 20327265), (5, 16261812), (6, 13551510), (7, 11615580), (9, 9034340), (10, 8130906), (12, 6775755), (14, 5807790), (15, 5420604), (18, 4517170), (20, 4065453), (21, 3871860), (28, 2903895), (30, 2710302), (35, 2323116), (36, 2258585), (42, 1935930), (45, 1806868), (47, 1729980), (60, 1355151), (63, 1290620), (70, 1161558), (84, 967965), (90, 903434), (94, 864990), (105, 774372), (126, 645310), (140, 580779), (141, 576660), (180, 451717), (188, 432495), (210, 387186), (235, 345996), (252, 322655), (282, 288330), (315, 258124), (329, 247140), (420, 193593), (423, 192220), (470, 172998), (564, 144165), (630, 129062), (658, 123570), (705, 115332), (846, 96110), (940, 86499), (987, 82380), (1260, 64531), (1316, 61785), (1373, 59220), (1410, 57666), (1645, 49428), (1692, 48055), (1974, 41190), (2115, 38444), (2746, 29610), (2820, 28833), (2961, 27460), (3290, 24714), (3948, 20595), (4119, 19740), (4230, 19222), (4935, 16476), (5492, 14805), (5922, 13730), (6580, 12357), (6865, 11844), (8238, 9870), (8460, 9611)]