15808380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 54391680

約数和(自身を除く): 38583300

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, 283, 285, 294, 380, 399, 420, 490, 532, 566, 570, 588, 665, 735, 798, 849, 931, 980, 1132, 1140, 1330, 1415, 1470, 1596, 1698, 1862, 1981, 1995, 2660, 2793, 2830, 2940, 3396, 3724, 3962, 3990, 4245, 4655, 5377, 5586, 5660, 5943, 7924, 7980, 8490, 9310, 9905, 10754, 11172, 11886, 13867, 13965, 16131, 16980, 18620, 19810, 21508, 23772, 26885, 27734, 27930, 29715, 32262, 37639, 39620, 41601, 53770, 55468, 55860, 59430, 64524, 69335, 75278, 80655, 83202, 107540, 112917, 118860, 138670, 150556, 161310, 166404, 188195, 208005, 225834, 263473, 277340, 322620, 376390, 416010, 451668, 526946, 564585, 752780, 790419, 832020, 1053892, 1129170, 1317365, 1580838, 2258340, 2634730, 3161676, 3952095, 5269460, 7904190, 15808380]

約数ペア:

[(1, 15808380), (2, 7904190), (3, 5269460), (4, 3952095), (5, 3161676), (6, 2634730), (7, 2258340), (10, 1580838), (12, 1317365), (14, 1129170), (15, 1053892), (19, 832020), (20, 790419), (21, 752780), (28, 564585), (30, 526946), (35, 451668), (38, 416010), (42, 376390), (49, 322620), (57, 277340), (60, 263473), (70, 225834), (76, 208005), (84, 188195), (95, 166404), (98, 161310), (105, 150556), (114, 138670), (133, 118860), (140, 112917), (147, 107540), (190, 83202), (196, 80655), (210, 75278), (228, 69335), (245, 64524), (266, 59430), (283, 55860), (285, 55468), (294, 53770), (380, 41601), (399, 39620), (420, 37639), (490, 32262), (532, 29715), (566, 27930), (570, 27734), (588, 26885), (665, 23772), (735, 21508), (798, 19810), (849, 18620), (931, 16980), (980, 16131), (1132, 13965), (1140, 13867), (1330, 11886), (1415, 11172), (1470, 10754), (1596, 9905), (1698, 9310), (1862, 8490), (1981, 7980), (1995, 7924), (2660, 5943), (2793, 5660), (2830, 5586), (2940, 5377), (3396, 4655), (3724, 4245), (3962, 3990)]