31526820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{499}}^1$

素因数の和:536

約数の個数: 144

約数和(自身を含む): 107016000

約数和(自身を除く): 75489180

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, 243, 260, 270, 324, 351, 390, 405, 468, 486, 499, 540, 585, 702, 780, 810, 972, 998, 1053, 1170, 1215, 1404, 1497, 1620, 1755, 1996, 2106, 2340, 2430, 2495, 2994, 3159, 3510, 4212, 4491, 4860, 4990, 5265, 5988, 6318, 6487, 7020, 7485, 8982, 9980, 10530, 12636, 12974, 13473, 14970, 15795, 17964, 19461, 21060, 22455, 25948, 26946, 29940, 31590, 32435, 38922, 40419, 44910, 53892, 58383, 63180, 64870, 67365, 77844, 80838, 89820, 97305, 116766, 121257, 129740, 134730, 161676, 175149, 194610, 202095, 233532, 242514, 269460, 291915, 350298, 389220, 404190, 485028, 525447, 583830, 606285, 700596, 808380, 875745, 1050894, 1167660, 1212570, 1576341, 1751490, 2101788, 2425140, 2627235, 3152682, 3502980, 5254470, 6305364, 7881705, 10508940, 15763410, 31526820]

約数ペア:

[(1, 31526820), (2, 15763410), (3, 10508940), (4, 7881705), (5, 6305364), (6, 5254470), (9, 3502980), (10, 3152682), (12, 2627235), (13, 2425140), (15, 2101788), (18, 1751490), (20, 1576341), (26, 1212570), (27, 1167660), (30, 1050894), (36, 875745), (39, 808380), (45, 700596), (52, 606285), (54, 583830), (60, 525447), (65, 485028), (78, 404190), (81, 389220), (90, 350298), (108, 291915), (117, 269460), (130, 242514), (135, 233532), (156, 202095), (162, 194610), (180, 175149), (195, 161676), (234, 134730), (243, 129740), (260, 121257), (270, 116766), (324, 97305), (351, 89820), (390, 80838), (405, 77844), (468, 67365), (486, 64870), (499, 63180), (540, 58383), (585, 53892), (702, 44910), (780, 40419), (810, 38922), (972, 32435), (998, 31590), (1053, 29940), (1170, 26946), (1215, 25948), (1404, 22455), (1497, 21060), (1620, 19461), (1755, 17964), (1996, 15795), (2106, 14970), (2340, 13473), (2430, 12974), (2495, 12636), (2994, 10530), (3159, 9980), (3510, 8982), (4212, 7485), (4491, 7020), (4860, 6487), (4990, 6318), (5265, 5988)]