87285440

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{181}}^1$

素因数の和:346

約数の個数: 112

約数和(自身を含む): 229660704

約数和(自身を除く): 142375264

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 137, 160, 176, 181, 220, 274, 320, 352, 362, 440, 548, 685, 704, 724, 880, 905, 1096, 1370, 1448, 1507, 1760, 1810, 1991, 2192, 2740, 2896, 3014, 3520, 3620, 3982, 4384, 5480, 5792, 6028, 7240, 7535, 7964, 8768, 9955, 10960, 11584, 12056, 14480, 15070, 15928, 19910, 21920, 24112, 24797, 28960, 30140, 31856, 39820, 43840, 48224, 49594, 57920, 60280, 63712, 79640, 96448, 99188, 120560, 123985, 127424, 159280, 198376, 241120, 247970, 272767, 318560, 396752, 482240, 495940, 545534, 637120, 793504, 991880, 1091068, 1363835, 1587008, 1983760, 2182136, 2727670, 3967520, 4364272, 5455340, 7935040, 8728544, 10910680, 17457088, 21821360, 43642720, 87285440]

約数ペア:

[(1, 87285440), (2, 43642720), (4, 21821360), (5, 17457088), (8, 10910680), (10, 8728544), (11, 7935040), (16, 5455340), (20, 4364272), (22, 3967520), (32, 2727670), (40, 2182136), (44, 1983760), (55, 1587008), (64, 1363835), (80, 1091068), (88, 991880), (110, 793504), (137, 637120), (160, 545534), (176, 495940), (181, 482240), (220, 396752), (274, 318560), (320, 272767), (352, 247970), (362, 241120), (440, 198376), (548, 159280), (685, 127424), (704, 123985), (724, 120560), (880, 99188), (905, 96448), (1096, 79640), (1370, 63712), (1448, 60280), (1507, 57920), (1760, 49594), (1810, 48224), (1991, 43840), (2192, 39820), (2740, 31856), (2896, 30140), (3014, 28960), (3520, 24797), (3620, 24112), (3982, 21920), (4384, 19910), (5480, 15928), (5792, 15070), (6028, 14480), (7240, 12056), (7535, 11584), (7964, 10960), (8768, 9955)]