320427780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{9067}}^1$

素因数の和:9129

約数の個数: 96

約数和(自身を含む): 974991360

約数和(自身を除く): 654563580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 285, 310, 372, 380, 465, 570, 589, 620, 930, 1140, 1178, 1767, 1860, 2356, 2945, 3534, 5890, 7068, 8835, 9067, 11780, 17670, 18134, 27201, 35340, 36268, 45335, 54402, 90670, 108804, 136005, 172273, 181340, 272010, 281077, 344546, 516819, 544020, 562154, 689092, 843231, 861365, 1033638, 1124308, 1405385, 1686462, 1722730, 2067276, 2584095, 2810770, 3372924, 3445460, 4216155, 5168190, 5340463, 5621540, 8432310, 10336380, 10680926, 16021389, 16864620, 21361852, 26702315, 32042778, 53404630, 64085556, 80106945, 106809260, 160213890, 320427780]

約数ペア:

[(1, 320427780), (2, 160213890), (3, 106809260), (4, 80106945), (5, 64085556), (6, 53404630), (10, 32042778), (12, 26702315), (15, 21361852), (19, 16864620), (20, 16021389), (30, 10680926), (31, 10336380), (38, 8432310), (57, 5621540), (60, 5340463), (62, 5168190), (76, 4216155), (93, 3445460), (95, 3372924), (114, 2810770), (124, 2584095), (155, 2067276), (186, 1722730), (190, 1686462), (228, 1405385), (285, 1124308), (310, 1033638), (372, 861365), (380, 843231), (465, 689092), (570, 562154), (589, 544020), (620, 516819), (930, 344546), (1140, 281077), (1178, 272010), (1767, 181340), (1860, 172273), (2356, 136005), (2945, 108804), (3534, 90670), (5890, 54402), (7068, 45335), (8835, 36268), (9067, 35340), (11780, 27201), (17670, 18134)]