313236560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2531}}^1$

素因数の和:2581

約数の個数: 160

約数和(自身を含む): 949439232

約数和(自身を除く): 636202672

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 80, 85, 91, 104, 112, 119, 130, 136, 140, 170, 182, 208, 221, 238, 260, 272, 280, 340, 364, 442, 455, 476, 520, 560, 595, 680, 728, 884, 910, 952, 1040, 1105, 1190, 1360, 1456, 1547, 1768, 1820, 1904, 2210, 2380, 2531, 3094, 3536, 3640, 4420, 4760, 5062, 6188, 7280, 7735, 8840, 9520, 10124, 12376, 12655, 15470, 17680, 17717, 20248, 24752, 25310, 30940, 32903, 35434, 40496, 43027, 50620, 61880, 65806, 70868, 86054, 88585, 101240, 123760, 131612, 141736, 164515, 172108, 177170, 202480, 215135, 230321, 263224, 283472, 301189, 329030, 344216, 354340, 430270, 460642, 526448, 559351, 602378, 658060, 688432, 708680, 860540, 921284, 1118702, 1151605, 1204756, 1316120, 1417360, 1505945, 1721080, 1842568, 2237404, 2303210, 2409512, 2632240, 2796755, 3011890, 3442160, 3685136, 3915457, 4474808, 4606420, 4819024, 5593510, 6023780, 7830914, 8949616, 9212840, 11187020, 12047560, 15661828, 18425680, 19577285, 22374040, 24095120, 31323656, 39154570, 44748080, 62647312, 78309140, 156618280, 313236560]

約数ペア:

[(1, 313236560), (2, 156618280), (4, 78309140), (5, 62647312), (7, 44748080), (8, 39154570), (10, 31323656), (13, 24095120), (14, 22374040), (16, 19577285), (17, 18425680), (20, 15661828), (26, 12047560), (28, 11187020), (34, 9212840), (35, 8949616), (40, 7830914), (52, 6023780), (56, 5593510), (65, 4819024), (68, 4606420), (70, 4474808), (80, 3915457), (85, 3685136), (91, 3442160), (104, 3011890), (112, 2796755), (119, 2632240), (130, 2409512), (136, 2303210), (140, 2237404), (170, 1842568), (182, 1721080), (208, 1505945), (221, 1417360), (238, 1316120), (260, 1204756), (272, 1151605), (280, 1118702), (340, 921284), (364, 860540), (442, 708680), (455, 688432), (476, 658060), (520, 602378), (560, 559351), (595, 526448), (680, 460642), (728, 430270), (884, 354340), (910, 344216), (952, 329030), (1040, 301189), (1105, 283472), (1190, 263224), (1360, 230321), (1456, 215135), (1547, 202480), (1768, 177170), (1820, 172108), (1904, 164515), (2210, 141736), (2380, 131612), (2531, 123760), (3094, 101240), (3536, 88585), (3640, 86054), (4420, 70868), (4760, 65806), (5062, 61880), (6188, 50620), (7280, 43027), (7735, 40496), (8840, 35434), (9520, 32903), (10124, 30940), (12376, 25310), (12655, 24752), (15470, 20248), (17680, 17717)]