178499880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{887}}^1$

素因数の和:960

約数の個数: 192

約数和(自身を含む): 639999360

約数和(自身を除く): 461499480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 43, 45, 52, 60, 65, 72, 78, 86, 90, 104, 117, 120, 129, 130, 156, 172, 180, 195, 215, 234, 258, 260, 312, 344, 360, 387, 390, 430, 468, 516, 520, 559, 585, 645, 774, 780, 860, 887, 936, 1032, 1118, 1170, 1290, 1548, 1560, 1677, 1720, 1774, 1935, 2236, 2340, 2580, 2661, 2795, 3096, 3354, 3548, 3870, 4435, 4472, 4680, 5031, 5160, 5322, 5590, 6708, 7096, 7740, 7983, 8385, 8870, 10062, 10644, 11180, 11531, 13305, 13416, 15480, 15966, 16770, 17740, 20124, 21288, 22360, 23062, 25155, 26610, 31932, 33540, 34593, 35480, 38141, 39915, 40248, 46124, 50310, 53220, 57655, 63864, 67080, 69186, 76282, 79830, 92248, 100620, 103779, 106440, 114423, 115310, 138372, 152564, 159660, 172965, 190705, 201240, 207558, 228846, 230620, 276744, 305128, 319320, 343269, 345930, 381410, 415116, 457692, 461240, 495833, 518895, 572115, 686538, 691860, 762820, 830232, 915384, 991666, 1037790, 1144230, 1373076, 1383720, 1487499, 1525640, 1716345, 1983332, 2075580, 2288460, 2479165, 2746152, 2974998, 3432690, 3966664, 4151160, 4462497, 4576920, 4958330, 5949996, 6865380, 7437495, 8924994, 9916660, 11899992, 13730760, 14874990, 17849988, 19833320, 22312485, 29749980, 35699976, 44624970, 59499960, 89249940, 178499880]

約数ペア:

[(1, 178499880), (2, 89249940), (3, 59499960), (4, 44624970), (5, 35699976), (6, 29749980), (8, 22312485), (9, 19833320), (10, 17849988), (12, 14874990), (13, 13730760), (15, 11899992), (18, 9916660), (20, 8924994), (24, 7437495), (26, 6865380), (30, 5949996), (36, 4958330), (39, 4576920), (40, 4462497), (43, 4151160), (45, 3966664), (52, 3432690), (60, 2974998), (65, 2746152), (72, 2479165), (78, 2288460), (86, 2075580), (90, 1983332), (104, 1716345), (117, 1525640), (120, 1487499), (129, 1383720), (130, 1373076), (156, 1144230), (172, 1037790), (180, 991666), (195, 915384), (215, 830232), (234, 762820), (258, 691860), (260, 686538), (312, 572115), (344, 518895), (360, 495833), (387, 461240), (390, 457692), (430, 415116), (468, 381410), (516, 345930), (520, 343269), (559, 319320), (585, 305128), (645, 276744), (774, 230620), (780, 228846), (860, 207558), (887, 201240), (936, 190705), (1032, 172965), (1118, 159660), (1170, 152564), (1290, 138372), (1548, 115310), (1560, 114423), (1677, 106440), (1720, 103779), (1774, 100620), (1935, 92248), (2236, 79830), (2340, 76282), (2580, 69186), (2661, 67080), (2795, 63864), (3096, 57655), (3354, 53220), (3548, 50310), (3870, 46124), (4435, 40248), (4472, 39915), (4680, 38141), (5031, 35480), (5160, 34593), (5322, 33540), (5590, 31932), (6708, 26610), (7096, 25155), (7740, 23062), (7983, 22360), (8385, 21288), (8870, 20124), (10062, 17740), (10644, 16770), (11180, 15966), (11531, 15480), (13305, 13416)]