25415880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:483

約数の個数: 128

約数和(自身を含む): 88473600

約数和(自身を除く): 63057720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 79, 84, 105, 120, 140, 158, 168, 210, 237, 280, 316, 383, 395, 420, 474, 553, 632, 766, 790, 840, 948, 1106, 1149, 1185, 1532, 1580, 1659, 1896, 1915, 2212, 2298, 2370, 2681, 2765, 3064, 3160, 3318, 3830, 4424, 4596, 4740, 5362, 5530, 5745, 6636, 7660, 8043, 8295, 9192, 9480, 10724, 11060, 11490, 13272, 13405, 15320, 16086, 16590, 21448, 22120, 22980, 26810, 30257, 32172, 33180, 40215, 45960, 53620, 60514, 64344, 66360, 80430, 90771, 107240, 121028, 151285, 160860, 181542, 211799, 242056, 302570, 321720, 363084, 423598, 453855, 605140, 635397, 726168, 847196, 907710, 1058995, 1210280, 1270794, 1694392, 1815420, 2117990, 2541588, 3176985, 3630840, 4235980, 5083176, 6353970, 8471960, 12707940, 25415880]

約数ペア:

[(1, 25415880), (2, 12707940), (3, 8471960), (4, 6353970), (5, 5083176), (6, 4235980), (7, 3630840), (8, 3176985), (10, 2541588), (12, 2117990), (14, 1815420), (15, 1694392), (20, 1270794), (21, 1210280), (24, 1058995), (28, 907710), (30, 847196), (35, 726168), (40, 635397), (42, 605140), (56, 453855), (60, 423598), (70, 363084), (79, 321720), (84, 302570), (105, 242056), (120, 211799), (140, 181542), (158, 160860), (168, 151285), (210, 121028), (237, 107240), (280, 90771), (316, 80430), (383, 66360), (395, 64344), (420, 60514), (474, 53620), (553, 45960), (632, 40215), (766, 33180), (790, 32172), (840, 30257), (948, 26810), (1106, 22980), (1149, 22120), (1185, 21448), (1532, 16590), (1580, 16086), (1659, 15320), (1896, 13405), (1915, 13272), (2212, 11490), (2298, 11060), (2370, 10724), (2681, 9480), (2765, 9192), (3064, 8295), (3160, 8043), (3318, 7660), (3830, 6636), (4424, 5745), (4596, 5530), (4740, 5362)]