240618280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1459}}^1$

素因数の和:1527

約数の個数: 128

約数和(自身を含む): 672768000

約数和(自身を除く): 432149720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 124, 133, 140, 152, 155, 190, 217, 248, 266, 280, 310, 380, 434, 532, 589, 620, 665, 760, 868, 1064, 1085, 1178, 1240, 1330, 1459, 1736, 2170, 2356, 2660, 2918, 2945, 4123, 4340, 4712, 5320, 5836, 5890, 7295, 8246, 8680, 10213, 11672, 11780, 14590, 16492, 20426, 20615, 23560, 27721, 29180, 32984, 40852, 41230, 45229, 51065, 55442, 58360, 81704, 82460, 90458, 102130, 110884, 138605, 164920, 180916, 194047, 204260, 221768, 226145, 277210, 316603, 361832, 388094, 408520, 452290, 554420, 633206, 776188, 859351, 904580, 970235, 1108840, 1266412, 1552376, 1583015, 1718702, 1809160, 1940470, 2532824, 3166030, 3437404, 3880940, 4296755, 6015457, 6332060, 6874808, 7761880, 8593510, 12030914, 12664120, 17187020, 24061828, 30077285, 34374040, 48123656, 60154570, 120309140, 240618280]

約数ペア:

[(1, 240618280), (2, 120309140), (4, 60154570), (5, 48123656), (7, 34374040), (8, 30077285), (10, 24061828), (14, 17187020), (19, 12664120), (20, 12030914), (28, 8593510), (31, 7761880), (35, 6874808), (38, 6332060), (40, 6015457), (56, 4296755), (62, 3880940), (70, 3437404), (76, 3166030), (95, 2532824), (124, 1940470), (133, 1809160), (140, 1718702), (152, 1583015), (155, 1552376), (190, 1266412), (217, 1108840), (248, 970235), (266, 904580), (280, 859351), (310, 776188), (380, 633206), (434, 554420), (532, 452290), (589, 408520), (620, 388094), (665, 361832), (760, 316603), (868, 277210), (1064, 226145), (1085, 221768), (1178, 204260), (1240, 194047), (1330, 180916), (1459, 164920), (1736, 138605), (2170, 110884), (2356, 102130), (2660, 90458), (2918, 82460), (2945, 81704), (4123, 58360), (4340, 55442), (4712, 51065), (5320, 45229), (5836, 41230), (5890, 40852), (7295, 32984), (8246, 29180), (8680, 27721), (10213, 23560), (11672, 20615), (11780, 20426), (14590, 16492)]