40280520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{607}}^1$

素因数の和:707

約数の個数: 128

約数和(自身を含む): 140083200

約数和(自身を除く): 99802680

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, 395, 420, 474, 553, 607, 632, 790, 840, 948, 1106, 1185, 1214, 1580, 1659, 1821, 1896, 2212, 2370, 2428, 2765, 3035, 3160, 3318, 3642, 4249, 4424, 4740, 4856, 5530, 6070, 6636, 7284, 8295, 8498, 9105, 9480, 11060, 12140, 12747, 13272, 14568, 16590, 16996, 18210, 21245, 22120, 24280, 25494, 33180, 33992, 36420, 42490, 47953, 50988, 63735, 66360, 72840, 84980, 95906, 101976, 127470, 143859, 169960, 191812, 239765, 254940, 287718, 335671, 383624, 479530, 509880, 575436, 671342, 719295, 959060, 1007013, 1150872, 1342684, 1438590, 1678355, 1918120, 2014026, 2685368, 2877180, 3356710, 4028052, 5035065, 5754360, 6713420, 8056104, 10070130, 13426840, 20140260, 40280520]

約数ペア:

[(1, 40280520), (2, 20140260), (3, 13426840), (4, 10070130), (5, 8056104), (6, 6713420), (7, 5754360), (8, 5035065), (10, 4028052), (12, 3356710), (14, 2877180), (15, 2685368), (20, 2014026), (21, 1918120), (24, 1678355), (28, 1438590), (30, 1342684), (35, 1150872), (40, 1007013), (42, 959060), (56, 719295), (60, 671342), (70, 575436), (79, 509880), (84, 479530), (105, 383624), (120, 335671), (140, 287718), (158, 254940), (168, 239765), (210, 191812), (237, 169960), (280, 143859), (316, 127470), (395, 101976), (420, 95906), (474, 84980), (553, 72840), (607, 66360), (632, 63735), (790, 50988), (840, 47953), (948, 42490), (1106, 36420), (1185, 33992), (1214, 33180), (1580, 25494), (1659, 24280), (1821, 22120), (1896, 21245), (2212, 18210), (2370, 16996), (2428, 16590), (2765, 14568), (3035, 13272), (3160, 12747), (3318, 12140), (3642, 11060), (4249, 9480), (4424, 9105), (4740, 8498), (4856, 8295), (5530, 7284), (6070, 6636)]