77879880

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2$

素因数の和:122

約数の個数: 240

約数和(自身を含む): 288606780

約数和(自身を除く): 210726900

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 43, 45, 52, 54, 60, 65, 72, 78, 81, 86, 90, 104, 108, 117, 120, 129, 130, 135, 156, 162, 172, 180, 195, 215, 216, 234, 258, 260, 270, 312, 324, 344, 351, 360, 387, 390, 405, 430, 468, 516, 520, 540, 559, 585, 645, 648, 702, 774, 780, 810, 860, 936, 1032, 1053, 1080, 1118, 1161, 1170, 1290, 1404, 1548, 1560, 1620, 1677, 1720, 1755, 1849, 1935, 2106, 2236, 2322, 2340, 2580, 2795, 2808, 3096, 3240, 3354, 3483, 3510, 3698, 3870, 4212, 4472, 4644, 4680, 5031, 5160, 5265, 5547, 5590, 5805, 6708, 6966, 7020, 7396, 7740, 8385, 8424, 9245, 9288, 10062, 10530, 11094, 11180, 11610, 13416, 13932, 14040, 14792, 15093, 15480, 16641, 16770, 17415, 18490, 20124, 21060, 22188, 22360, 23220, 24037, 25155, 27735, 27864, 30186, 33282, 33540, 34830, 36980, 40248, 42120, 44376, 45279, 46440, 48074, 49923, 50310, 55470, 60372, 66564, 67080, 69660, 72111, 73960, 75465, 83205, 90558, 96148, 99846, 100620, 110940, 120185, 120744, 133128, 139320, 144222, 149769, 150930, 166410, 181116, 192296, 199692, 201240, 216333, 221880, 226395, 240370, 249615, 288444, 299538, 301860, 332820, 360555, 362232, 399384, 432666, 452790, 480740, 499230, 576888, 599076, 603720, 648999, 665640, 721110, 748845, 865332, 905580, 961480, 998460, 1081665, 1198152, 1297998, 1442220, 1497690, 1730664, 1811160, 1946997, 1996920, 2163330, 2595996, 2884440, 2995380, 3244995, 3893994, 4326660, 5191992, 5990760, 6489990, 7787988, 8653320, 9734985, 12979980, 15575976, 19469970, 25959960, 38939940, 77879880]

約数ペア:

[(1, 77879880), (2, 38939940), (3, 25959960), (4, 19469970), (5, 15575976), (6, 12979980), (8, 9734985), (9, 8653320), (10, 7787988), (12, 6489990), (13, 5990760), (15, 5191992), (18, 4326660), (20, 3893994), (24, 3244995), (26, 2995380), (27, 2884440), (30, 2595996), (36, 2163330), (39, 1996920), (40, 1946997), (43, 1811160), (45, 1730664), (52, 1497690), (54, 1442220), (60, 1297998), (65, 1198152), (72, 1081665), (78, 998460), (81, 961480), (86, 905580), (90, 865332), (104, 748845), (108, 721110), (117, 665640), (120, 648999), (129, 603720), (130, 599076), (135, 576888), (156, 499230), (162, 480740), (172, 452790), (180, 432666), (195, 399384), (215, 362232), (216, 360555), (234, 332820), (258, 301860), (260, 299538), (270, 288444), (312, 249615), (324, 240370), (344, 226395), (351, 221880), (360, 216333), (387, 201240), (390, 199692), (405, 192296), (430, 181116), (468, 166410), (516, 150930), (520, 149769), (540, 144222), (559, 139320), (585, 133128), (645, 120744), (648, 120185), (702, 110940), (774, 100620), (780, 99846), (810, 96148), (860, 90558), (936, 83205), (1032, 75465), (1053, 73960), (1080, 72111), (1118, 69660), (1161, 67080), (1170, 66564), (1290, 60372), (1404, 55470), (1548, 50310), (1560, 49923), (1620, 48074), (1677, 46440), (1720, 45279), (1755, 44376), (1849, 42120), (1935, 40248), (2106, 36980), (2236, 34830), (2322, 33540), (2340, 33282), (2580, 30186), (2795, 27864), (2808, 27735), (3096, 25155), (3240, 24037), (3354, 23220), (3483, 22360), (3510, 22188), (3698, 21060), (3870, 20124), (4212, 18490), (4472, 17415), (4644, 16770), (4680, 16641), (5031, 15480), (5160, 15093), (5265, 14792), (5547, 14040), (5590, 13932), (5805, 13416), (6708, 11610), (6966, 11180), (7020, 11094), (7396, 10530), (7740, 10062), (8385, 9288), (8424, 9245)]