18160740

素因数分解:

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

素因数の和:243

約数の個数: 144

約数和(自身を含む): 61488000

約数和(自身を除く): 43327260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 169, 180, 195, 199, 234, 260, 270, 338, 351, 390, 398, 468, 507, 540, 585, 597, 676, 702, 780, 796, 845, 995, 1014, 1170, 1194, 1404, 1521, 1690, 1755, 1791, 1990, 2028, 2340, 2388, 2535, 2587, 2985, 3042, 3380, 3510, 3582, 3980, 4563, 5070, 5174, 5373, 5970, 6084, 7020, 7164, 7605, 7761, 8955, 9126, 10140, 10348, 10746, 11940, 12935, 15210, 15522, 17910, 18252, 21492, 22815, 23283, 25870, 26865, 30420, 31044, 33631, 35820, 38805, 45630, 46566, 51740, 53730, 67262, 69849, 77610, 91260, 93132, 100893, 107460, 116415, 134524, 139698, 155220, 168155, 201786, 232830, 279396, 302679, 336310, 349245, 403572, 465660, 504465, 605358, 672620, 698490, 908037, 1008930, 1210716, 1396980, 1513395, 1816074, 2017860, 3026790, 3632148, 4540185, 6053580, 9080370, 18160740]

約数ペア:

[(1, 18160740), (2, 9080370), (3, 6053580), (4, 4540185), (5, 3632148), (6, 3026790), (9, 2017860), (10, 1816074), (12, 1513395), (13, 1396980), (15, 1210716), (18, 1008930), (20, 908037), (26, 698490), (27, 672620), (30, 605358), (36, 504465), (39, 465660), (45, 403572), (52, 349245), (54, 336310), (60, 302679), (65, 279396), (78, 232830), (90, 201786), (108, 168155), (117, 155220), (130, 139698), (135, 134524), (156, 116415), (169, 107460), (180, 100893), (195, 93132), (199, 91260), (234, 77610), (260, 69849), (270, 67262), (338, 53730), (351, 51740), (390, 46566), (398, 45630), (468, 38805), (507, 35820), (540, 33631), (585, 31044), (597, 30420), (676, 26865), (702, 25870), (780, 23283), (796, 22815), (845, 21492), (995, 18252), (1014, 17910), (1170, 15522), (1194, 15210), (1404, 12935), (1521, 11940), (1690, 10746), (1755, 10348), (1791, 10140), (1990, 9126), (2028, 8955), (2340, 7761), (2388, 7605), (2535, 7164), (2587, 7020), (2985, 6084), (3042, 5970), (3380, 5373), (3510, 5174), (3582, 5070), (3980, 4563)]