71668380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1283}}^1$

素因数の和:1328

約数の個数: 144

約数和(自身を含む): 245911680

約数和(自身を除く): 174243300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1140, 1283, 1330, 1470, 1596, 1862, 1995, 2566, 2660, 2793, 2940, 3724, 3849, 3990, 4655, 5132, 5586, 6415, 7698, 7980, 8981, 9310, 11172, 12830, 13965, 15396, 17962, 18620, 19245, 24377, 25660, 26943, 27930, 35924, 38490, 44905, 48754, 53886, 55860, 62867, 73131, 76980, 89810, 97508, 107772, 121885, 125734, 134715, 146262, 170639, 179620, 188601, 243770, 251468, 269430, 292524, 314335, 341278, 365655, 377202, 487540, 511917, 538860, 628670, 682556, 731310, 754404, 853195, 943005, 1023834, 1194473, 1257340, 1462620, 1706390, 1886010, 2047668, 2388946, 2559585, 3412780, 3583419, 3772020, 4777892, 5119170, 5972365, 7166838, 10238340, 11944730, 14333676, 17917095, 23889460, 35834190, 71668380]

約数ペア:

[(1, 71668380), (2, 35834190), (3, 23889460), (4, 17917095), (5, 14333676), (6, 11944730), (7, 10238340), (10, 7166838), (12, 5972365), (14, 5119170), (15, 4777892), (19, 3772020), (20, 3583419), (21, 3412780), (28, 2559585), (30, 2388946), (35, 2047668), (38, 1886010), (42, 1706390), (49, 1462620), (57, 1257340), (60, 1194473), (70, 1023834), (76, 943005), (84, 853195), (95, 754404), (98, 731310), (105, 682556), (114, 628670), (133, 538860), (140, 511917), (147, 487540), (190, 377202), (196, 365655), (210, 341278), (228, 314335), (245, 292524), (266, 269430), (285, 251468), (294, 243770), (380, 188601), (399, 179620), (420, 170639), (490, 146262), (532, 134715), (570, 125734), (588, 121885), (665, 107772), (735, 97508), (798, 89810), (931, 76980), (980, 73131), (1140, 62867), (1283, 55860), (1330, 53886), (1470, 48754), (1596, 44905), (1862, 38490), (1995, 35924), (2566, 27930), (2660, 26943), (2793, 25660), (2940, 24377), (3724, 19245), (3849, 18620), (3990, 17962), (4655, 15396), (5132, 13965), (5586, 12830), (6415, 11172), (7698, 9310), (7980, 8981)]