31509660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 192

約数和(自身を含む): 112896000

約数和(自身を除く): 81386340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 29, 30, 35, 39, 42, 52, 58, 60, 65, 70, 78, 84, 87, 91, 105, 116, 130, 140, 145, 156, 174, 182, 195, 199, 203, 210, 260, 273, 290, 348, 364, 377, 390, 398, 406, 420, 435, 455, 546, 580, 597, 609, 754, 780, 796, 812, 870, 910, 995, 1015, 1092, 1131, 1194, 1218, 1365, 1393, 1508, 1740, 1820, 1885, 1990, 2030, 2262, 2388, 2436, 2587, 2639, 2730, 2786, 2985, 3045, 3770, 3980, 4060, 4179, 4524, 5174, 5278, 5460, 5572, 5655, 5771, 5970, 6090, 6965, 7540, 7761, 7917, 8358, 10348, 10556, 11310, 11542, 11940, 12180, 12935, 13195, 13930, 15522, 15834, 16716, 17313, 18109, 20895, 22620, 23084, 25870, 26390, 27860, 28855, 31044, 31668, 34626, 36218, 38805, 39585, 40397, 41790, 51740, 52780, 54327, 57710, 69252, 72436, 75023, 77610, 79170, 80794, 83580, 86565, 90545, 108654, 115420, 121191, 150046, 155220, 158340, 161588, 173130, 181090, 201985, 217308, 225069, 242382, 271635, 300092, 346260, 362180, 375115, 403970, 450138, 484764, 525161, 543270, 605955, 750230, 807940, 900276, 1050322, 1086540, 1125345, 1211910, 1500460, 1575483, 2100644, 2250690, 2423820, 2625805, 3150966, 4501380, 5251610, 6301932, 7877415, 10503220, 15754830, 31509660]

約数ペア:

[(1, 31509660), (2, 15754830), (3, 10503220), (4, 7877415), (5, 6301932), (6, 5251610), (7, 4501380), (10, 3150966), (12, 2625805), (13, 2423820), (14, 2250690), (15, 2100644), (20, 1575483), (21, 1500460), (26, 1211910), (28, 1125345), (29, 1086540), (30, 1050322), (35, 900276), (39, 807940), (42, 750230), (52, 605955), (58, 543270), (60, 525161), (65, 484764), (70, 450138), (78, 403970), (84, 375115), (87, 362180), (91, 346260), (105, 300092), (116, 271635), (130, 242382), (140, 225069), (145, 217308), (156, 201985), (174, 181090), (182, 173130), (195, 161588), (199, 158340), (203, 155220), (210, 150046), (260, 121191), (273, 115420), (290, 108654), (348, 90545), (364, 86565), (377, 83580), (390, 80794), (398, 79170), (406, 77610), (420, 75023), (435, 72436), (455, 69252), (546, 57710), (580, 54327), (597, 52780), (609, 51740), (754, 41790), (780, 40397), (796, 39585), (812, 38805), (870, 36218), (910, 34626), (995, 31668), (1015, 31044), (1092, 28855), (1131, 27860), (1194, 26390), (1218, 25870), (1365, 23084), (1393, 22620), (1508, 20895), (1740, 18109), (1820, 17313), (1885, 16716), (1990, 15834), (2030, 15522), (2262, 13930), (2388, 13195), (2436, 12935), (2587, 12180), (2639, 11940), (2730, 11542), (2786, 11310), (2985, 10556), (3045, 10348), (3770, 8358), (3980, 7917), (4060, 7761), (4179, 7540), (4524, 6965), (5174, 6090), (5278, 5970), (5460, 5771), (5572, 5655)]