320420740

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{179}}^1$

素因数の和:325

約数の個数: 96

約数和(自身を含む): 723945600

約数和(自身を除く): 403524860

約数列:

[1, 2, 4, 5, 10, 20, 37, 41, 59, 74, 82, 118, 148, 164, 179, 185, 205, 236, 295, 358, 370, 410, 590, 716, 740, 820, 895, 1180, 1517, 1790, 2183, 2419, 3034, 3580, 4366, 4838, 6068, 6623, 7339, 7585, 8732, 9676, 10561, 10915, 12095, 13246, 14678, 15170, 21122, 21830, 24190, 26492, 29356, 30340, 33115, 36695, 42244, 43660, 48380, 52805, 66230, 73390, 89503, 105610, 132460, 146780, 179006, 211220, 271543, 358012, 390757, 433001, 447515, 543086, 781514, 866002, 895030, 1086172, 1357715, 1563028, 1732004, 1790060, 1953785, 2165005, 2715430, 3907570, 4330010, 5430860, 7815140, 8660020, 16021037, 32042074, 64084148, 80105185, 160210370, 320420740]

約数ペア:

[(1, 320420740), (2, 160210370), (4, 80105185), (5, 64084148), (10, 32042074), (20, 16021037), (37, 8660020), (41, 7815140), (59, 5430860), (74, 4330010), (82, 3907570), (118, 2715430), (148, 2165005), (164, 1953785), (179, 1790060), (185, 1732004), (205, 1563028), (236, 1357715), (295, 1086172), (358, 895030), (370, 866002), (410, 781514), (590, 543086), (716, 447515), (740, 433001), (820, 390757), (895, 358012), (1180, 271543), (1517, 211220), (1790, 179006), (2183, 146780), (2419, 132460), (3034, 105610), (3580, 89503), (4366, 73390), (4838, 66230), (6068, 52805), (6623, 48380), (7339, 43660), (7585, 42244), (8732, 36695), (9676, 33115), (10561, 30340), (10915, 29356), (12095, 26492), (13246, 24190), (14678, 21830), (15170, 21122)]