311532360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{983}}^1$

素因数の和:1155

約数の個数: 128

約数和(自身を含む): 991872000

約数和(自身を除く): 680339640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 139, 152, 190, 228, 278, 285, 380, 417, 456, 556, 570, 695, 760, 834, 983, 1112, 1140, 1390, 1668, 1966, 2085, 2280, 2641, 2780, 2949, 3336, 3932, 4170, 4915, 5282, 5560, 5898, 7864, 7923, 8340, 9830, 10564, 11796, 13205, 14745, 15846, 16680, 18677, 19660, 21128, 23592, 26410, 29490, 31692, 37354, 39320, 39615, 52820, 56031, 58980, 63384, 74708, 79230, 93385, 105640, 112062, 117960, 136637, 149416, 158460, 186770, 224124, 273274, 280155, 316920, 373540, 409911, 448248, 546548, 560310, 683185, 747080, 819822, 1093096, 1120620, 1366370, 1639644, 2049555, 2241240, 2596103, 2732740, 3279288, 4099110, 5192206, 5465480, 7788309, 8198220, 10384412, 12980515, 15576618, 16396440, 20768824, 25961030, 31153236, 38941545, 51922060, 62306472, 77883090, 103844120, 155766180, 311532360]

約数ペア:

[(1, 311532360), (2, 155766180), (3, 103844120), (4, 77883090), (5, 62306472), (6, 51922060), (8, 38941545), (10, 31153236), (12, 25961030), (15, 20768824), (19, 16396440), (20, 15576618), (24, 12980515), (30, 10384412), (38, 8198220), (40, 7788309), (57, 5465480), (60, 5192206), (76, 4099110), (95, 3279288), (114, 2732740), (120, 2596103), (139, 2241240), (152, 2049555), (190, 1639644), (228, 1366370), (278, 1120620), (285, 1093096), (380, 819822), (417, 747080), (456, 683185), (556, 560310), (570, 546548), (695, 448248), (760, 409911), (834, 373540), (983, 316920), (1112, 280155), (1140, 273274), (1390, 224124), (1668, 186770), (1966, 158460), (2085, 149416), (2280, 136637), (2641, 117960), (2780, 112062), (2949, 105640), (3336, 93385), (3932, 79230), (4170, 74708), (4915, 63384), (5282, 58980), (5560, 56031), (5898, 52820), (7864, 39615), (7923, 39320), (8340, 37354), (9830, 31692), (10564, 29490), (11796, 26410), (13205, 23592), (14745, 21128), (15846, 19660), (16680, 18677)]