51809940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3163}}^1$

素因数の和:3198

約数の個数: 144

約数和(自身を含む): 193484928

約数和(自身を除く): 141674988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3163, 3276, 4095, 5460, 6326, 8190, 9489, 12652, 15815, 16380, 18978, 22141, 28467, 31630, 37956, 41119, 44282, 47445, 56934, 63260, 66423, 82238, 88564, 94890, 110705, 113868, 123357, 132846, 142335, 164476, 189780, 199269, 205595, 221410, 246714, 265692, 284670, 287833, 332115, 370071, 398538, 411190, 442820, 493428, 569340, 575666, 616785, 664230, 740142, 797076, 822380, 863499, 996345, 1151332, 1233570, 1328460, 1439165, 1480284, 1726998, 1850355, 1992690, 2467140, 2590497, 2878330, 3453996, 3700710, 3985380, 4317495, 5180994, 5756660, 7401420, 8634990, 10361988, 12952485, 17269980, 25904970, 51809940]

約数ペア:

[(1, 51809940), (2, 25904970), (3, 17269980), (4, 12952485), (5, 10361988), (6, 8634990), (7, 7401420), (9, 5756660), (10, 5180994), (12, 4317495), (13, 3985380), (14, 3700710), (15, 3453996), (18, 2878330), (20, 2590497), (21, 2467140), (26, 1992690), (28, 1850355), (30, 1726998), (35, 1480284), (36, 1439165), (39, 1328460), (42, 1233570), (45, 1151332), (52, 996345), (60, 863499), (63, 822380), (65, 797076), (70, 740142), (78, 664230), (84, 616785), (90, 575666), (91, 569340), (105, 493428), (117, 442820), (126, 411190), (130, 398538), (140, 370071), (156, 332115), (180, 287833), (182, 284670), (195, 265692), (210, 246714), (234, 221410), (252, 205595), (260, 199269), (273, 189780), (315, 164476), (364, 142335), (390, 132846), (420, 123357), (455, 113868), (468, 110705), (546, 94890), (585, 88564), (630, 82238), (780, 66423), (819, 63260), (910, 56934), (1092, 47445), (1170, 44282), (1260, 41119), (1365, 37956), (1638, 31630), (1820, 28467), (2340, 22141), (2730, 18978), (3163, 16380), (3276, 15815), (4095, 12652), (5460, 9489), (6326, 8190)]