31349920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1217}}^1$

素因数の和:1262

約数の個数: 96

約数和(自身を含む): 88397568

約数和(自身を除く): 57047648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 160, 161, 184, 224, 230, 280, 322, 368, 460, 560, 644, 736, 805, 920, 1120, 1217, 1288, 1610, 1840, 2434, 2576, 3220, 3680, 4868, 5152, 6085, 6440, 8519, 9736, 12170, 12880, 17038, 19472, 24340, 25760, 27991, 34076, 38944, 42595, 48680, 55982, 68152, 85190, 97360, 111964, 136304, 139955, 170380, 194720, 195937, 223928, 272608, 279910, 340760, 391874, 447856, 559820, 681520, 783748, 895712, 979685, 1119640, 1363040, 1567496, 1959370, 2239280, 3134992, 3918740, 4478560, 6269984, 7837480, 15674960, 31349920]

約数ペア:

[(1, 31349920), (2, 15674960), (4, 7837480), (5, 6269984), (7, 4478560), (8, 3918740), (10, 3134992), (14, 2239280), (16, 1959370), (20, 1567496), (23, 1363040), (28, 1119640), (32, 979685), (35, 895712), (40, 783748), (46, 681520), (56, 559820), (70, 447856), (80, 391874), (92, 340760), (112, 279910), (115, 272608), (140, 223928), (160, 195937), (161, 194720), (184, 170380), (224, 139955), (230, 136304), (280, 111964), (322, 97360), (368, 85190), (460, 68152), (560, 55982), (644, 48680), (736, 42595), (805, 38944), (920, 34076), (1120, 27991), (1217, 25760), (1288, 24340), (1610, 19472), (1840, 17038), (2434, 12880), (2576, 12170), (3220, 9736), (3680, 8519), (4868, 6440), (5152, 6085)]