141221640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1889}}^1$

素因数の和:1999

約数の個数: 128

約数和(自身を含む): 489888000

約数和(自身を除く): 348666360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 89, 105, 120, 140, 168, 178, 210, 267, 280, 356, 420, 445, 534, 623, 712, 840, 890, 1068, 1246, 1335, 1780, 1869, 1889, 2136, 2492, 2670, 3115, 3560, 3738, 3778, 4984, 5340, 5667, 6230, 7476, 7556, 9345, 9445, 10680, 11334, 12460, 13223, 14952, 15112, 18690, 18890, 22668, 24920, 26446, 28335, 37380, 37780, 39669, 45336, 52892, 56670, 66115, 74760, 75560, 79338, 105784, 113340, 132230, 158676, 168121, 198345, 226680, 264460, 317352, 336242, 396690, 504363, 528920, 672484, 793380, 840605, 1008726, 1176847, 1344968, 1586760, 1681210, 2017452, 2353694, 2521815, 3362420, 3530541, 4034904, 4707388, 5043630, 5884235, 6724840, 7061082, 9414776, 10087260, 11768470, 14122164, 17652705, 20174520, 23536940, 28244328, 35305410, 47073880, 70610820, 141221640]

約数ペア:

[(1, 141221640), (2, 70610820), (3, 47073880), (4, 35305410), (5, 28244328), (6, 23536940), (7, 20174520), (8, 17652705), (10, 14122164), (12, 11768470), (14, 10087260), (15, 9414776), (20, 7061082), (21, 6724840), (24, 5884235), (28, 5043630), (30, 4707388), (35, 4034904), (40, 3530541), (42, 3362420), (56, 2521815), (60, 2353694), (70, 2017452), (84, 1681210), (89, 1586760), (105, 1344968), (120, 1176847), (140, 1008726), (168, 840605), (178, 793380), (210, 672484), (267, 528920), (280, 504363), (356, 396690), (420, 336242), (445, 317352), (534, 264460), (623, 226680), (712, 198345), (840, 168121), (890, 158676), (1068, 132230), (1246, 113340), (1335, 105784), (1780, 79338), (1869, 75560), (1889, 74760), (2136, 66115), (2492, 56670), (2670, 52892), (3115, 45336), (3560, 39669), (3738, 37780), (3778, 37380), (4984, 28335), (5340, 26446), (5667, 24920), (6230, 22668), (7476, 18890), (7556, 18690), (9345, 15112), (9445, 14952), (10680, 13223), (11334, 12460)]