30998760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:699

約数の個数: 128

約数和(自身を含む): 103541760

約数和(自身を除く): 72543000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 641, 744, 780, 806, 930, 1209, 1240, 1282, 1560, 1612, 1860, 1923, 2015, 2418, 2564, 3205, 3224, 3720, 3846, 4030, 4836, 5128, 6045, 6410, 7692, 8060, 8333, 9615, 9672, 12090, 12820, 15384, 16120, 16666, 19230, 19871, 24180, 24999, 25640, 33332, 38460, 39742, 41665, 48360, 49998, 59613, 66664, 76920, 79484, 83330, 99355, 99996, 119226, 124995, 158968, 166660, 198710, 199992, 238452, 249990, 258323, 298065, 333320, 397420, 476904, 499980, 516646, 596130, 774969, 794840, 999960, 1033292, 1192260, 1291615, 1549938, 2066584, 2384520, 2583230, 3099876, 3874845, 5166460, 6199752, 7749690, 10332920, 15499380, 30998760]

約数ペア:

[(1, 30998760), (2, 15499380), (3, 10332920), (4, 7749690), (5, 6199752), (6, 5166460), (8, 3874845), (10, 3099876), (12, 2583230), (13, 2384520), (15, 2066584), (20, 1549938), (24, 1291615), (26, 1192260), (30, 1033292), (31, 999960), (39, 794840), (40, 774969), (52, 596130), (60, 516646), (62, 499980), (65, 476904), (78, 397420), (93, 333320), (104, 298065), (120, 258323), (124, 249990), (130, 238452), (155, 199992), (156, 198710), (186, 166660), (195, 158968), (248, 124995), (260, 119226), (310, 99996), (312, 99355), (372, 83330), (390, 79484), (403, 76920), (465, 66664), (520, 59613), (620, 49998), (641, 48360), (744, 41665), (780, 39742), (806, 38460), (930, 33332), (1209, 25640), (1240, 24999), (1282, 24180), (1560, 19871), (1612, 19230), (1860, 16666), (1923, 16120), (2015, 15384), (2418, 12820), (2564, 12090), (3205, 9672), (3224, 9615), (3720, 8333), (3846, 8060), (4030, 7692), (4836, 6410), (5128, 6045)]