13015380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{233}}^1$

素因数の和:278

約数の個数: 144

約数和(自身を含む): 44815680

約数和(自身を除く): 31800300

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, 233, 245, 266, 285, 294, 380, 399, 420, 466, 490, 532, 570, 588, 665, 699, 735, 798, 931, 932, 980, 1140, 1165, 1330, 1398, 1470, 1596, 1631, 1862, 1995, 2330, 2660, 2793, 2796, 2940, 3262, 3495, 3724, 3990, 4427, 4655, 4660, 4893, 5586, 6524, 6990, 7980, 8155, 8854, 9310, 9786, 11172, 11417, 13281, 13965, 13980, 16310, 17708, 18620, 19572, 22135, 22834, 24465, 26562, 27930, 30989, 32620, 34251, 44270, 45668, 48930, 53124, 55860, 57085, 61978, 66405, 68502, 88540, 92967, 97860, 114170, 123956, 132810, 137004, 154945, 171255, 185934, 216923, 228340, 265620, 309890, 342510, 371868, 433846, 464835, 619780, 650769, 685020, 867692, 929670, 1084615, 1301538, 1859340, 2169230, 2603076, 3253845, 4338460, 6507690, 13015380]

約数ペア:

[(1, 13015380), (2, 6507690), (3, 4338460), (4, 3253845), (5, 2603076), (6, 2169230), (7, 1859340), (10, 1301538), (12, 1084615), (14, 929670), (15, 867692), (19, 685020), (20, 650769), (21, 619780), (28, 464835), (30, 433846), (35, 371868), (38, 342510), (42, 309890), (49, 265620), (57, 228340), (60, 216923), (70, 185934), (76, 171255), (84, 154945), (95, 137004), (98, 132810), (105, 123956), (114, 114170), (133, 97860), (140, 92967), (147, 88540), (190, 68502), (196, 66405), (210, 61978), (228, 57085), (233, 55860), (245, 53124), (266, 48930), (285, 45668), (294, 44270), (380, 34251), (399, 32620), (420, 30989), (466, 27930), (490, 26562), (532, 24465), (570, 22834), (588, 22135), (665, 19572), (699, 18620), (735, 17708), (798, 16310), (931, 13980), (932, 13965), (980, 13281), (1140, 11417), (1165, 11172), (1330, 9786), (1398, 9310), (1470, 8854), (1596, 8155), (1631, 7980), (1862, 6990), (1995, 6524), (2330, 5586), (2660, 4893), (2793, 4660), (2796, 4655), (2940, 4427), (3262, 3990), (3495, 3724)]