31568940

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1499}}^1$

素因数の和:1533

約数の個数: 120

約数和(自身を含む): 106722000

約数和(自身を除く): 75153060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 260, 270, 324, 351, 390, 405, 468, 540, 585, 702, 780, 810, 1053, 1170, 1404, 1499, 1620, 1755, 2106, 2340, 2998, 3510, 4212, 4497, 5265, 5996, 7020, 7495, 8994, 10530, 13491, 14990, 17988, 19487, 21060, 22485, 26982, 29980, 38974, 40473, 44970, 53964, 58461, 67455, 77948, 80946, 89940, 97435, 116922, 121419, 134910, 161892, 175383, 194870, 202365, 233844, 242838, 269820, 292305, 350766, 389740, 404730, 485676, 526149, 584610, 607095, 701532, 809460, 876915, 1052298, 1169220, 1214190, 1578447, 1753830, 2104596, 2428380, 2630745, 3156894, 3507660, 5261490, 6313788, 7892235, 10522980, 15784470, 31568940]

約数ペア:

[(1, 31568940), (2, 15784470), (3, 10522980), (4, 7892235), (5, 6313788), (6, 5261490), (9, 3507660), (10, 3156894), (12, 2630745), (13, 2428380), (15, 2104596), (18, 1753830), (20, 1578447), (26, 1214190), (27, 1169220), (30, 1052298), (36, 876915), (39, 809460), (45, 701532), (52, 607095), (54, 584610), (60, 526149), (65, 485676), (78, 404730), (81, 389740), (90, 350766), (108, 292305), (117, 269820), (130, 242838), (135, 233844), (156, 202365), (162, 194870), (180, 175383), (195, 161892), (234, 134910), (260, 121419), (270, 116922), (324, 97435), (351, 89940), (390, 80946), (405, 77948), (468, 67455), (540, 58461), (585, 53964), (702, 44970), (780, 40473), (810, 38974), (1053, 29980), (1170, 26982), (1404, 22485), (1499, 21060), (1620, 19487), (1755, 17988), (2106, 14990), (2340, 13491), (2998, 10530), (3510, 8994), (4212, 7495), (4497, 7020), (5265, 5996)]