16878120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:375

約数の個数: 128

約数和(自身を含む): 58890240

約数和(自身を除く): 42012120

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, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 283, 284, 355, 420, 426, 497, 566, 568, 710, 840, 849, 852, 994, 1065, 1132, 1415, 1420, 1491, 1698, 1704, 1981, 1988, 2130, 2264, 2485, 2830, 2840, 2982, 3396, 3962, 3976, 4245, 4260, 4970, 5660, 5943, 5964, 6792, 7455, 7924, 8490, 8520, 9905, 9940, 11320, 11886, 11928, 14910, 15848, 16980, 19810, 19880, 20093, 23772, 29715, 29820, 33960, 39620, 40186, 47544, 59430, 59640, 60279, 79240, 80372, 100465, 118860, 120558, 140651, 160744, 200930, 237720, 241116, 281302, 301395, 401860, 421953, 482232, 562604, 602790, 703255, 803720, 843906, 1125208, 1205580, 1406510, 1687812, 2109765, 2411160, 2813020, 3375624, 4219530, 5626040, 8439060, 16878120]

約数ペア:

[(1, 16878120), (2, 8439060), (3, 5626040), (4, 4219530), (5, 3375624), (6, 2813020), (7, 2411160), (8, 2109765), (10, 1687812), (12, 1406510), (14, 1205580), (15, 1125208), (20, 843906), (21, 803720), (24, 703255), (28, 602790), (30, 562604), (35, 482232), (40, 421953), (42, 401860), (56, 301395), (60, 281302), (70, 241116), (71, 237720), (84, 200930), (105, 160744), (120, 140651), (140, 120558), (142, 118860), (168, 100465), (210, 80372), (213, 79240), (280, 60279), (283, 59640), (284, 59430), (355, 47544), (420, 40186), (426, 39620), (497, 33960), (566, 29820), (568, 29715), (710, 23772), (840, 20093), (849, 19880), (852, 19810), (994, 16980), (1065, 15848), (1132, 14910), (1415, 11928), (1420, 11886), (1491, 11320), (1698, 9940), (1704, 9905), (1981, 8520), (1988, 8490), (2130, 7924), (2264, 7455), (2485, 6792), (2830, 5964), (2840, 5943), (2982, 5660), (3396, 4970), (3962, 4260), (3976, 4245)]