18220020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:150

約数の個数: 192

約数和(自身を含む): 65028096

約数和(自身を除く): 46808076

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 47, 52, 60, 65, 70, 71, 78, 84, 91, 94, 105, 130, 140, 141, 142, 156, 182, 188, 195, 210, 213, 235, 260, 273, 282, 284, 329, 355, 364, 390, 420, 426, 455, 470, 497, 546, 564, 611, 658, 705, 710, 780, 852, 910, 923, 940, 987, 994, 1065, 1092, 1222, 1316, 1365, 1410, 1420, 1491, 1645, 1820, 1833, 1846, 1974, 1988, 2130, 2444, 2485, 2730, 2769, 2820, 2982, 3055, 3290, 3337, 3666, 3692, 3948, 4260, 4277, 4615, 4935, 4970, 5460, 5538, 5964, 6110, 6461, 6580, 6674, 7332, 7455, 8554, 9165, 9230, 9870, 9940, 10011, 11076, 12220, 12831, 12922, 13348, 13845, 14910, 16685, 17108, 18330, 18460, 19383, 19740, 20022, 21385, 23359, 25662, 25844, 27690, 29820, 32305, 33370, 36660, 38766, 40044, 42770, 43381, 46718, 50055, 51324, 55380, 64155, 64610, 66740, 70077, 77532, 85540, 86762, 93436, 96915, 100110, 116795, 128310, 129220, 130143, 140154, 173524, 193830, 200220, 216905, 233590, 256620, 260286, 280308, 303667, 350385, 387660, 433810, 467180, 520572, 607334, 650715, 700770, 867620, 911001, 1214668, 1301430, 1401540, 1518335, 1822002, 2602860, 3036670, 3644004, 4555005, 6073340, 9110010, 18220020]

約数ペア:

[(1, 18220020), (2, 9110010), (3, 6073340), (4, 4555005), (5, 3644004), (6, 3036670), (7, 2602860), (10, 1822002), (12, 1518335), (13, 1401540), (14, 1301430), (15, 1214668), (20, 911001), (21, 867620), (26, 700770), (28, 650715), (30, 607334), (35, 520572), (39, 467180), (42, 433810), (47, 387660), (52, 350385), (60, 303667), (65, 280308), (70, 260286), (71, 256620), (78, 233590), (84, 216905), (91, 200220), (94, 193830), (105, 173524), (130, 140154), (140, 130143), (141, 129220), (142, 128310), (156, 116795), (182, 100110), (188, 96915), (195, 93436), (210, 86762), (213, 85540), (235, 77532), (260, 70077), (273, 66740), (282, 64610), (284, 64155), (329, 55380), (355, 51324), (364, 50055), (390, 46718), (420, 43381), (426, 42770), (455, 40044), (470, 38766), (497, 36660), (546, 33370), (564, 32305), (611, 29820), (658, 27690), (705, 25844), (710, 25662), (780, 23359), (852, 21385), (910, 20022), (923, 19740), (940, 19383), (987, 18460), (994, 18330), (1065, 17108), (1092, 16685), (1222, 14910), (1316, 13845), (1365, 13348), (1410, 12922), (1420, 12831), (1491, 12220), (1645, 11076), (1820, 10011), (1833, 9940), (1846, 9870), (1974, 9230), (1988, 9165), (2130, 8554), (2444, 7455), (2485, 7332), (2730, 6674), (2769, 6580), (2820, 6461), (2982, 6110), (3055, 5964), (3290, 5538), (3337, 5460), (3666, 4970), (3692, 4935), (3948, 4615), (4260, 4277)]