31788330

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:324

約数の個数: 128

約数和(自身を含む): 95109120

約数和(自身を除く): 63320790

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 31, 35, 38, 42, 57, 62, 70, 93, 95, 105, 114, 133, 155, 186, 190, 210, 217, 257, 266, 285, 310, 399, 434, 465, 514, 570, 589, 651, 665, 771, 798, 930, 1085, 1178, 1285, 1302, 1330, 1542, 1767, 1799, 1995, 2170, 2570, 2945, 3255, 3534, 3598, 3855, 3990, 4123, 4883, 5397, 5890, 6510, 7710, 7967, 8246, 8835, 8995, 9766, 10794, 12369, 14649, 15934, 17670, 17990, 20615, 23901, 24415, 24738, 26985, 29298, 34181, 39835, 41230, 47802, 48830, 53970, 55769, 61845, 68362, 73245, 79670, 102543, 111538, 119505, 123690, 146490, 151373, 167307, 170905, 205086, 239010, 278845, 302746, 334614, 341810, 454119, 512715, 557690, 756865, 836535, 908238, 1025430, 1059611, 1513730, 1673070, 2119222, 2270595, 3178833, 4541190, 5298055, 6357666, 10596110, 15894165, 31788330]

約数ペア:

[(1, 31788330), (2, 15894165), (3, 10596110), (5, 6357666), (6, 5298055), (7, 4541190), (10, 3178833), (14, 2270595), (15, 2119222), (19, 1673070), (21, 1513730), (30, 1059611), (31, 1025430), (35, 908238), (38, 836535), (42, 756865), (57, 557690), (62, 512715), (70, 454119), (93, 341810), (95, 334614), (105, 302746), (114, 278845), (133, 239010), (155, 205086), (186, 170905), (190, 167307), (210, 151373), (217, 146490), (257, 123690), (266, 119505), (285, 111538), (310, 102543), (399, 79670), (434, 73245), (465, 68362), (514, 61845), (570, 55769), (589, 53970), (651, 48830), (665, 47802), (771, 41230), (798, 39835), (930, 34181), (1085, 29298), (1178, 26985), (1285, 24738), (1302, 24415), (1330, 23901), (1542, 20615), (1767, 17990), (1799, 17670), (1995, 15934), (2170, 14649), (2570, 12369), (2945, 10794), (3255, 9766), (3534, 8995), (3598, 8835), (3855, 8246), (3990, 7967), (4123, 7710), (4883, 6510), (5397, 5890)]