80520720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:238

約数の個数: 240

約数和(自身を含む): 299230848

約数和(自身を除く): 218710128

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 41, 42, 48, 49, 56, 60, 70, 80, 82, 84, 98, 105, 112, 120, 123, 140, 147, 164, 167, 168, 196, 205, 210, 240, 245, 246, 280, 287, 294, 328, 334, 336, 392, 410, 420, 490, 492, 501, 560, 574, 588, 615, 656, 668, 735, 784, 820, 835, 840, 861, 980, 984, 1002, 1148, 1169, 1176, 1230, 1336, 1435, 1470, 1640, 1670, 1680, 1722, 1960, 1968, 2004, 2009, 2296, 2338, 2352, 2460, 2505, 2672, 2870, 2940, 3280, 3340, 3444, 3507, 3920, 4008, 4018, 4305, 4592, 4676, 4920, 5010, 5740, 5845, 5880, 6027, 6680, 6847, 6888, 7014, 8016, 8036, 8183, 8610, 9352, 9840, 10020, 10045, 11480, 11690, 11760, 12054, 13360, 13694, 13776, 14028, 16072, 16366, 17220, 17535, 18704, 20040, 20090, 20541, 22960, 23380, 24108, 24549, 27388, 28056, 30135, 32144, 32732, 34235, 34440, 35070, 40080, 40180, 40915, 41082, 46760, 47929, 48216, 49098, 54776, 56112, 60270, 65464, 68470, 68880, 70140, 80360, 81830, 82164, 93520, 95858, 96432, 98196, 102705, 109552, 120540, 122745, 130928, 136940, 140280, 143787, 160720, 163660, 164328, 191716, 196392, 205410, 239645, 241080, 245490, 273880, 280560, 287574, 327320, 328656, 335503, 383432, 392784, 410820, 479290, 482160, 490980, 547760, 575148, 654640, 671006, 718935, 766864, 821640, 958580, 981960, 1006509, 1150296, 1342012, 1437870, 1643280, 1677515, 1917160, 1963920, 2013018, 2300592, 2684024, 2875740, 3355030, 3834320, 4026036, 5032545, 5368048, 5751480, 6710060, 8052072, 10065090, 11502960, 13420120, 16104144, 20130180, 26840240, 40260360, 80520720]

約数ペア:

[(1, 80520720), (2, 40260360), (3, 26840240), (4, 20130180), (5, 16104144), (6, 13420120), (7, 11502960), (8, 10065090), (10, 8052072), (12, 6710060), (14, 5751480), (15, 5368048), (16, 5032545), (20, 4026036), (21, 3834320), (24, 3355030), (28, 2875740), (30, 2684024), (35, 2300592), (40, 2013018), (41, 1963920), (42, 1917160), (48, 1677515), (49, 1643280), (56, 1437870), (60, 1342012), (70, 1150296), (80, 1006509), (82, 981960), (84, 958580), (98, 821640), (105, 766864), (112, 718935), (120, 671006), (123, 654640), (140, 575148), (147, 547760), (164, 490980), (167, 482160), (168, 479290), (196, 410820), (205, 392784), (210, 383432), (240, 335503), (245, 328656), (246, 327320), (280, 287574), (287, 280560), (294, 273880), (328, 245490), (334, 241080), (336, 239645), (392, 205410), (410, 196392), (420, 191716), (490, 164328), (492, 163660), (501, 160720), (560, 143787), (574, 140280), (588, 136940), (615, 130928), (656, 122745), (668, 120540), (735, 109552), (784, 102705), (820, 98196), (835, 96432), (840, 95858), (861, 93520), (980, 82164), (984, 81830), (1002, 80360), (1148, 70140), (1169, 68880), (1176, 68470), (1230, 65464), (1336, 60270), (1435, 56112), (1470, 54776), (1640, 49098), (1670, 48216), (1680, 47929), (1722, 46760), (1960, 41082), (1968, 40915), (2004, 40180), (2009, 40080), (2296, 35070), (2338, 34440), (2352, 34235), (2460, 32732), (2505, 32144), (2672, 30135), (2870, 28056), (2940, 27388), (3280, 24549), (3340, 24108), (3444, 23380), (3507, 22960), (3920, 20541), (4008, 20090), (4018, 20040), (4305, 18704), (4592, 17535), (4676, 17220), (4920, 16366), (5010, 16072), (5740, 14028), (5845, 13776), (5880, 13694), (6027, 13360), (6680, 12054), (6847, 11760), (6888, 11690), (7014, 11480), (8016, 10045), (8036, 10020), (8183, 9840), (8610, 9352)]