28077660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{71}}^1$

素因数の和:125

約数の個数: 144

約数和(自身を含む): 93562560

約数和(自身を除く): 65484900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 71, 78, 90, 117, 130, 142, 156, 169, 180, 195, 213, 234, 260, 284, 338, 355, 390, 426, 468, 507, 585, 639, 676, 710, 780, 845, 852, 923, 1014, 1065, 1170, 1278, 1420, 1521, 1690, 1846, 2028, 2130, 2197, 2340, 2535, 2556, 2769, 3042, 3195, 3380, 3692, 4260, 4394, 4615, 5070, 5538, 6084, 6390, 6591, 7605, 8307, 8788, 9230, 10140, 10985, 11076, 11999, 12780, 13182, 13845, 15210, 16614, 18460, 19773, 21970, 23998, 26364, 27690, 30420, 32955, 33228, 35997, 39546, 41535, 43940, 47996, 55380, 59995, 65910, 71994, 79092, 83070, 98865, 107991, 119990, 131820, 143988, 155987, 166140, 179985, 197730, 215982, 239980, 311974, 359970, 395460, 431964, 467961, 539955, 623948, 719940, 779935, 935922, 1079910, 1403883, 1559870, 1871844, 2159820, 2339805, 2807766, 3119740, 4679610, 5615532, 7019415, 9359220, 14038830, 28077660]

約数ペア:

[(1, 28077660), (2, 14038830), (3, 9359220), (4, 7019415), (5, 5615532), (6, 4679610), (9, 3119740), (10, 2807766), (12, 2339805), (13, 2159820), (15, 1871844), (18, 1559870), (20, 1403883), (26, 1079910), (30, 935922), (36, 779935), (39, 719940), (45, 623948), (52, 539955), (60, 467961), (65, 431964), (71, 395460), (78, 359970), (90, 311974), (117, 239980), (130, 215982), (142, 197730), (156, 179985), (169, 166140), (180, 155987), (195, 143988), (213, 131820), (234, 119990), (260, 107991), (284, 98865), (338, 83070), (355, 79092), (390, 71994), (426, 65910), (468, 59995), (507, 55380), (585, 47996), (639, 43940), (676, 41535), (710, 39546), (780, 35997), (845, 33228), (852, 32955), (923, 30420), (1014, 27690), (1065, 26364), (1170, 23998), (1278, 21970), (1420, 19773), (1521, 18460), (1690, 16614), (1846, 15210), (2028, 13845), (2130, 13182), (2197, 12780), (2340, 11999), (2535, 11076), (2556, 10985), (2769, 10140), (3042, 9230), (3195, 8788), (3380, 8307), (3692, 7605), (4260, 6591), (4394, 6390), (4615, 6084), (5070, 5538)]