161284760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{751}}^1$

素因数の和:841

約数の個数: 128

約数和(自身を含む): 454809600

約数和(自身を除く): 293524840

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 59, 65, 70, 91, 104, 118, 130, 140, 182, 236, 260, 280, 295, 364, 413, 455, 472, 520, 590, 728, 751, 767, 826, 910, 1180, 1502, 1534, 1652, 1820, 2065, 2360, 3004, 3068, 3304, 3640, 3755, 3835, 4130, 5257, 5369, 6008, 6136, 7510, 7670, 8260, 9763, 10514, 10738, 15020, 15340, 16520, 19526, 21028, 21476, 26285, 26845, 30040, 30680, 39052, 42056, 42952, 44309, 48815, 52570, 53690, 68341, 78104, 88618, 97630, 105140, 107380, 136682, 177236, 195260, 210280, 214760, 221545, 273364, 310163, 341705, 354472, 390520, 443090, 546728, 576017, 620326, 683410, 886180, 1152034, 1240652, 1366820, 1550815, 1772360, 2304068, 2481304, 2733640, 2880085, 3101630, 4032119, 4608136, 5760170, 6203260, 8064238, 11520340, 12406520, 16128476, 20160595, 23040680, 32256952, 40321190, 80642380, 161284760]

約数ペア:

[(1, 161284760), (2, 80642380), (4, 40321190), (5, 32256952), (7, 23040680), (8, 20160595), (10, 16128476), (13, 12406520), (14, 11520340), (20, 8064238), (26, 6203260), (28, 5760170), (35, 4608136), (40, 4032119), (52, 3101630), (56, 2880085), (59, 2733640), (65, 2481304), (70, 2304068), (91, 1772360), (104, 1550815), (118, 1366820), (130, 1240652), (140, 1152034), (182, 886180), (236, 683410), (260, 620326), (280, 576017), (295, 546728), (364, 443090), (413, 390520), (455, 354472), (472, 341705), (520, 310163), (590, 273364), (728, 221545), (751, 214760), (767, 210280), (826, 195260), (910, 177236), (1180, 136682), (1502, 107380), (1534, 105140), (1652, 97630), (1820, 88618), (2065, 78104), (2360, 68341), (3004, 53690), (3068, 52570), (3304, 48815), (3640, 44309), (3755, 42952), (3835, 42056), (4130, 39052), (5257, 30680), (5369, 30040), (6008, 26845), (6136, 26285), (7510, 21476), (7670, 21028), (8260, 19526), (9763, 16520), (10514, 15340), (10738, 15020)]