311968980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{4801}}^1$

素因数の和:4854

約数の個数: 108

約数和(自身を含む): 998940852

約数和(自身を除く): 686971872

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 361, 380, 570, 684, 722, 855, 1083, 1140, 1444, 1710, 1805, 2166, 3249, 3420, 3610, 4332, 4801, 5415, 6498, 7220, 9602, 10830, 12996, 14403, 16245, 19204, 21660, 24005, 28806, 32490, 43209, 48010, 57612, 64980, 72015, 86418, 91219, 96020, 144030, 172836, 182438, 216045, 273657, 288060, 364876, 432090, 456095, 547314, 820971, 864180, 912190, 1094628, 1368285, 1641942, 1733161, 1824380, 2736570, 3283884, 3466322, 4104855, 5199483, 5473140, 6932644, 8209710, 8665805, 10398966, 15598449, 16419420, 17331610, 20797932, 25997415, 31196898, 34663220, 51994830, 62393796, 77992245, 103989660, 155984490, 311968980]

約数ペア:

[(1, 311968980), (2, 155984490), (3, 103989660), (4, 77992245), (5, 62393796), (6, 51994830), (9, 34663220), (10, 31196898), (12, 25997415), (15, 20797932), (18, 17331610), (19, 16419420), (20, 15598449), (30, 10398966), (36, 8665805), (38, 8209710), (45, 6932644), (57, 5473140), (60, 5199483), (76, 4104855), (90, 3466322), (95, 3283884), (114, 2736570), (171, 1824380), (180, 1733161), (190, 1641942), (228, 1368285), (285, 1094628), (342, 912190), (361, 864180), (380, 820971), (570, 547314), (684, 456095), (722, 432090), (855, 364876), (1083, 288060), (1140, 273657), (1444, 216045), (1710, 182438), (1805, 172836), (2166, 144030), (3249, 96020), (3420, 91219), (3610, 86418), (4332, 72015), (4801, 64980), (5415, 57612), (6498, 48010), (7220, 43209), (9602, 32490), (10830, 28806), (12996, 24005), (14403, 21660), (16245, 19204)]