38998440

素因数分解:

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

素因数の和:684

約数の個数: 144

約数和(自身を含む): 137458620

約数和(自身を除く): 98460180

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 169, 180, 195, 234, 260, 312, 338, 360, 390, 468, 507, 520, 585, 641, 676, 780, 845, 936, 1014, 1170, 1282, 1352, 1521, 1560, 1690, 1923, 2028, 2340, 2535, 2564, 3042, 3205, 3380, 3846, 4056, 4680, 5070, 5128, 5769, 6084, 6410, 6760, 7605, 7692, 8333, 9615, 10140, 11538, 12168, 12820, 15210, 15384, 16666, 19230, 20280, 23076, 24999, 25640, 28845, 30420, 33332, 38460, 41665, 46152, 49998, 57690, 60840, 66664, 74997, 76920, 83330, 99996, 108329, 115380, 124995, 149994, 166660, 199992, 216658, 230760, 249990, 299988, 324987, 333320, 374985, 433316, 499980, 541645, 599976, 649974, 749970, 866632, 974961, 999960, 1083290, 1299948, 1499940, 1624935, 1949922, 2166580, 2599896, 2999880, 3249870, 3899844, 4333160, 4874805, 6499740, 7799688, 9749610, 12999480, 19499220, 38998440]

約数ペア:

[(1, 38998440), (2, 19499220), (3, 12999480), (4, 9749610), (5, 7799688), (6, 6499740), (8, 4874805), (9, 4333160), (10, 3899844), (12, 3249870), (13, 2999880), (15, 2599896), (18, 2166580), (20, 1949922), (24, 1624935), (26, 1499940), (30, 1299948), (36, 1083290), (39, 999960), (40, 974961), (45, 866632), (52, 749970), (60, 649974), (65, 599976), (72, 541645), (78, 499980), (90, 433316), (104, 374985), (117, 333320), (120, 324987), (130, 299988), (156, 249990), (169, 230760), (180, 216658), (195, 199992), (234, 166660), (260, 149994), (312, 124995), (338, 115380), (360, 108329), (390, 99996), (468, 83330), (507, 76920), (520, 74997), (585, 66664), (641, 60840), (676, 57690), (780, 49998), (845, 46152), (936, 41665), (1014, 38460), (1170, 33332), (1282, 30420), (1352, 28845), (1521, 25640), (1560, 24999), (1690, 23076), (1923, 20280), (2028, 19230), (2340, 16666), (2535, 15384), (2564, 15210), (3042, 12820), (3205, 12168), (3380, 11538), (3846, 10140), (4056, 9615), (4680, 8333), (5070, 7692), (5128, 7605), (5769, 6760), (6084, 6410)]