155519820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1$

素因数の和:412

約数の個数: 144

約数和(自身を含む): 491242752

約数和(自身を除く): 335722932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 71, 86, 90, 129, 142, 172, 180, 213, 215, 258, 283, 284, 355, 387, 426, 430, 516, 566, 639, 645, 710, 774, 849, 852, 860, 1065, 1132, 1278, 1290, 1415, 1420, 1548, 1698, 1935, 2130, 2547, 2556, 2580, 2830, 3053, 3195, 3396, 3870, 4245, 4260, 5094, 5660, 6106, 6390, 7740, 8490, 9159, 10188, 12169, 12212, 12735, 12780, 15265, 16980, 18318, 20093, 24338, 25470, 27477, 30530, 36507, 36636, 40186, 45795, 48676, 50940, 54954, 60279, 60845, 61060, 73014, 80372, 91590, 100465, 109521, 109908, 120558, 121690, 137385, 146028, 180837, 182535, 183180, 200930, 219042, 241116, 243380, 274770, 301395, 361674, 365070, 401860, 438084, 547605, 549540, 602790, 723348, 730140, 863999, 904185, 1095210, 1205580, 1727998, 1808370, 2190420, 2591997, 3455996, 3616740, 4319995, 5183994, 7775991, 8639990, 10367988, 12959985, 15551982, 17279980, 25919970, 31103964, 38879955, 51839940, 77759910, 155519820]

約数ペア:

[(1, 155519820), (2, 77759910), (3, 51839940), (4, 38879955), (5, 31103964), (6, 25919970), (9, 17279980), (10, 15551982), (12, 12959985), (15, 10367988), (18, 8639990), (20, 7775991), (30, 5183994), (36, 4319995), (43, 3616740), (45, 3455996), (60, 2591997), (71, 2190420), (86, 1808370), (90, 1727998), (129, 1205580), (142, 1095210), (172, 904185), (180, 863999), (213, 730140), (215, 723348), (258, 602790), (283, 549540), (284, 547605), (355, 438084), (387, 401860), (426, 365070), (430, 361674), (516, 301395), (566, 274770), (639, 243380), (645, 241116), (710, 219042), (774, 200930), (849, 183180), (852, 182535), (860, 180837), (1065, 146028), (1132, 137385), (1278, 121690), (1290, 120558), (1415, 109908), (1420, 109521), (1548, 100465), (1698, 91590), (1935, 80372), (2130, 73014), (2547, 61060), (2556, 60845), (2580, 60279), (2830, 54954), (3053, 50940), (3195, 48676), (3396, 45795), (3870, 40186), (4245, 36636), (4260, 36507), (5094, 30530), (5660, 27477), (6106, 25470), (6390, 24338), (7740, 20093), (8490, 18318), (9159, 16980), (10188, 15265), (12169, 12780), (12212, 12735)]