78585780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:458

約数の個数: 192

約数和(自身を含む): 278853120

約数和(自身を除く): 200267340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 37, 39, 42, 52, 60, 65, 70, 74, 78, 84, 91, 105, 111, 130, 140, 148, 156, 182, 185, 195, 210, 222, 259, 260, 273, 364, 370, 389, 390, 420, 444, 455, 481, 518, 546, 555, 740, 777, 778, 780, 910, 962, 1036, 1092, 1110, 1167, 1295, 1365, 1443, 1554, 1556, 1820, 1924, 1945, 2220, 2334, 2405, 2590, 2723, 2730, 2886, 3108, 3367, 3885, 3890, 4668, 4810, 5057, 5180, 5446, 5460, 5772, 5835, 6734, 7215, 7770, 7780, 8169, 9620, 10101, 10114, 10892, 11670, 13468, 13615, 14393, 14430, 15171, 15540, 16338, 16835, 20202, 20228, 23340, 25285, 27230, 28786, 28860, 30342, 32676, 33670, 35399, 40404, 40845, 43179, 50505, 50570, 54460, 57572, 60684, 67340, 70798, 71965, 75855, 81690, 86358, 100751, 101010, 101140, 106197, 141596, 143930, 151710, 163380, 172716, 176995, 187109, 201502, 202020, 212394, 215895, 287860, 302253, 303420, 353990, 374218, 403004, 424788, 431790, 503755, 530985, 561327, 604506, 707980, 748436, 863580, 935545, 1007510, 1061970, 1122654, 1209012, 1309763, 1511265, 1871090, 2015020, 2123940, 2245308, 2619526, 2806635, 3022530, 3742180, 3929289, 5239052, 5613270, 6045060, 6548815, 7858578, 11226540, 13097630, 15717156, 19646445, 26195260, 39292890, 78585780]

約数ペア:

[(1, 78585780), (2, 39292890), (3, 26195260), (4, 19646445), (5, 15717156), (6, 13097630), (7, 11226540), (10, 7858578), (12, 6548815), (13, 6045060), (14, 5613270), (15, 5239052), (20, 3929289), (21, 3742180), (26, 3022530), (28, 2806635), (30, 2619526), (35, 2245308), (37, 2123940), (39, 2015020), (42, 1871090), (52, 1511265), (60, 1309763), (65, 1209012), (70, 1122654), (74, 1061970), (78, 1007510), (84, 935545), (91, 863580), (105, 748436), (111, 707980), (130, 604506), (140, 561327), (148, 530985), (156, 503755), (182, 431790), (185, 424788), (195, 403004), (210, 374218), (222, 353990), (259, 303420), (260, 302253), (273, 287860), (364, 215895), (370, 212394), (389, 202020), (390, 201502), (420, 187109), (444, 176995), (455, 172716), (481, 163380), (518, 151710), (546, 143930), (555, 141596), (740, 106197), (777, 101140), (778, 101010), (780, 100751), (910, 86358), (962, 81690), (1036, 75855), (1092, 71965), (1110, 70798), (1167, 67340), (1295, 60684), (1365, 57572), (1443, 54460), (1554, 50570), (1556, 50505), (1820, 43179), (1924, 40845), (1945, 40404), (2220, 35399), (2334, 33670), (2405, 32676), (2590, 30342), (2723, 28860), (2730, 28786), (2886, 27230), (3108, 25285), (3367, 23340), (3885, 20228), (3890, 20202), (4668, 16835), (4810, 16338), (5057, 15540), (5180, 15171), (5446, 14430), (5460, 14393), (5772, 13615), (5835, 13468), (6734, 11670), (7215, 10892), (7770, 10114), (7780, 10101), (8169, 9620)]