1289744520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{3677}}^1$

素因数の和:3807

約数の個数: 128

約数和(自身を含む): 4025203200

約数和(自身を除く): 2735458680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 79, 111, 120, 148, 158, 185, 222, 237, 296, 316, 370, 395, 444, 474, 555, 632, 740, 790, 888, 948, 1110, 1185, 1480, 1580, 1896, 2220, 2370, 2923, 3160, 3677, 4440, 4740, 5846, 7354, 8769, 9480, 11031, 11692, 14615, 14708, 17538, 18385, 22062, 23384, 29230, 29416, 35076, 36770, 43845, 44124, 55155, 58460, 70152, 73540, 87690, 88248, 110310, 116920, 136049, 147080, 175380, 220620, 272098, 290483, 350760, 408147, 441240, 544196, 580966, 680245, 816294, 871449, 1088392, 1161932, 1360490, 1452415, 1632588, 1742898, 2040735, 2323864, 2720980, 2904830, 3265176, 3485796, 4081470, 4357245, 5441960, 5809660, 6971592, 8162940, 8714490, 10747871, 11619320, 16325880, 17428980, 21495742, 32243613, 34857960, 42991484, 53739355, 64487226, 85982968, 107478710, 128974452, 161218065, 214957420, 257948904, 322436130, 429914840, 644872260, 1289744520]

約数ペア:

[(1, 1289744520), (2, 644872260), (3, 429914840), (4, 322436130), (5, 257948904), (6, 214957420), (8, 161218065), (10, 128974452), (12, 107478710), (15, 85982968), (20, 64487226), (24, 53739355), (30, 42991484), (37, 34857960), (40, 32243613), (60, 21495742), (74, 17428980), (79, 16325880), (111, 11619320), (120, 10747871), (148, 8714490), (158, 8162940), (185, 6971592), (222, 5809660), (237, 5441960), (296, 4357245), (316, 4081470), (370, 3485796), (395, 3265176), (444, 2904830), (474, 2720980), (555, 2323864), (632, 2040735), (740, 1742898), (790, 1632588), (888, 1452415), (948, 1360490), (1110, 1161932), (1185, 1088392), (1480, 871449), (1580, 816294), (1896, 680245), (2220, 580966), (2370, 544196), (2923, 441240), (3160, 408147), (3677, 350760), (4440, 290483), (4740, 272098), (5846, 220620), (7354, 175380), (8769, 147080), (9480, 136049), (11031, 116920), (11692, 110310), (14615, 88248), (14708, 87690), (17538, 73540), (18385, 70152), (22062, 58460), (23384, 55155), (29230, 44124), (29416, 43845), (35076, 36770)]