25317180

素因数分解:

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

素因数の和:376

約数の個数: 144

約数和(自身を含む): 89316864

約数和(自身を除く): 63999684

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 71, 84, 90, 105, 126, 140, 142, 180, 210, 213, 252, 283, 284, 315, 355, 420, 426, 497, 566, 630, 639, 710, 849, 852, 994, 1065, 1132, 1260, 1278, 1415, 1420, 1491, 1698, 1981, 1988, 2130, 2485, 2547, 2556, 2830, 2982, 3195, 3396, 3962, 4245, 4260, 4473, 4970, 5094, 5660, 5943, 5964, 6390, 7455, 7924, 8490, 8946, 9905, 9940, 10188, 11886, 12735, 12780, 14910, 16980, 17829, 17892, 19810, 20093, 22365, 23772, 25470, 29715, 29820, 35658, 39620, 40186, 44730, 50940, 59430, 60279, 71316, 80372, 89145, 89460, 100465, 118860, 120558, 140651, 178290, 180837, 200930, 241116, 281302, 301395, 356580, 361674, 401860, 421953, 562604, 602790, 703255, 723348, 843906, 904185, 1205580, 1265859, 1406510, 1687812, 1808370, 2109765, 2531718, 2813020, 3616740, 4219530, 5063436, 6329295, 8439060, 12658590, 25317180]

約数ペア:

[(1, 25317180), (2, 12658590), (3, 8439060), (4, 6329295), (5, 5063436), (6, 4219530), (7, 3616740), (9, 2813020), (10, 2531718), (12, 2109765), (14, 1808370), (15, 1687812), (18, 1406510), (20, 1265859), (21, 1205580), (28, 904185), (30, 843906), (35, 723348), (36, 703255), (42, 602790), (45, 562604), (60, 421953), (63, 401860), (70, 361674), (71, 356580), (84, 301395), (90, 281302), (105, 241116), (126, 200930), (140, 180837), (142, 178290), (180, 140651), (210, 120558), (213, 118860), (252, 100465), (283, 89460), (284, 89145), (315, 80372), (355, 71316), (420, 60279), (426, 59430), (497, 50940), (566, 44730), (630, 40186), (639, 39620), (710, 35658), (849, 29820), (852, 29715), (994, 25470), (1065, 23772), (1132, 22365), (1260, 20093), (1278, 19810), (1415, 17892), (1420, 17829), (1491, 16980), (1698, 14910), (1981, 12780), (1988, 12735), (2130, 11886), (2485, 10188), (2547, 9940), (2556, 9905), (2830, 8946), (2982, 8490), (3195, 7924), (3396, 7455), (3962, 6390), (4245, 5964), (4260, 5943), (4473, 5660), (4970, 5094)]