180210420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:276

約数の個数: 240

約数和(自身を含む): 626102400

約数和(自身を除く): 445891980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 43, 45, 52, 54, 60, 65, 78, 81, 86, 90, 108, 117, 129, 130, 135, 156, 162, 172, 180, 195, 199, 215, 234, 258, 260, 270, 324, 351, 387, 390, 398, 405, 430, 468, 516, 540, 559, 585, 597, 645, 702, 774, 780, 796, 810, 860, 995, 1053, 1118, 1161, 1170, 1194, 1290, 1404, 1548, 1620, 1677, 1755, 1791, 1935, 1990, 2106, 2236, 2322, 2340, 2388, 2580, 2587, 2795, 2985, 3354, 3483, 3510, 3582, 3870, 3980, 4212, 4644, 5031, 5174, 5265, 5373, 5590, 5805, 5970, 6708, 6966, 7020, 7164, 7740, 7761, 8385, 8557, 8955, 10062, 10348, 10530, 10746, 11180, 11610, 11940, 12935, 13932, 15093, 15522, 16119, 16770, 17114, 17415, 17910, 20124, 21060, 21492, 23220, 23283, 25155, 25671, 25870, 26865, 30186, 31044, 32238, 33540, 34228, 34830, 35820, 38805, 42785, 45279, 46566, 50310, 51342, 51740, 53730, 60372, 64476, 69660, 69849, 75465, 77013, 77610, 80595, 85570, 90558, 93132, 100620, 102684, 107460, 111241, 116415, 128355, 139698, 150930, 154026, 155220, 161190, 171140, 181116, 209547, 222482, 226395, 231039, 232830, 256710, 279396, 301860, 308052, 322380, 333723, 349245, 385065, 419094, 444964, 452790, 462078, 465660, 513420, 556205, 667446, 693117, 698490, 770130, 838188, 905580, 924156, 1001169, 1047735, 1112410, 1155195, 1334892, 1386234, 1396980, 1540260, 1668615, 2002338, 2095470, 2224820, 2310390, 2772468, 3003507, 3337230, 3465585, 4004676, 4190940, 4620780, 5005845, 6007014, 6674460, 6931170, 9010521, 10011690, 12014028, 13862340, 15017535, 18021042, 20023380, 30035070, 36042084, 45052605, 60070140, 90105210, 180210420]

約数ペア:

[(1, 180210420), (2, 90105210), (3, 60070140), (4, 45052605), (5, 36042084), (6, 30035070), (9, 20023380), (10, 18021042), (12, 15017535), (13, 13862340), (15, 12014028), (18, 10011690), (20, 9010521), (26, 6931170), (27, 6674460), (30, 6007014), (36, 5005845), (39, 4620780), (43, 4190940), (45, 4004676), (52, 3465585), (54, 3337230), (60, 3003507), (65, 2772468), (78, 2310390), (81, 2224820), (86, 2095470), (90, 2002338), (108, 1668615), (117, 1540260), (129, 1396980), (130, 1386234), (135, 1334892), (156, 1155195), (162, 1112410), (172, 1047735), (180, 1001169), (195, 924156), (199, 905580), (215, 838188), (234, 770130), (258, 698490), (260, 693117), (270, 667446), (324, 556205), (351, 513420), (387, 465660), (390, 462078), (398, 452790), (405, 444964), (430, 419094), (468, 385065), (516, 349245), (540, 333723), (559, 322380), (585, 308052), (597, 301860), (645, 279396), (702, 256710), (774, 232830), (780, 231039), (796, 226395), (810, 222482), (860, 209547), (995, 181116), (1053, 171140), (1118, 161190), (1161, 155220), (1170, 154026), (1194, 150930), (1290, 139698), (1404, 128355), (1548, 116415), (1620, 111241), (1677, 107460), (1755, 102684), (1791, 100620), (1935, 93132), (1990, 90558), (2106, 85570), (2236, 80595), (2322, 77610), (2340, 77013), (2388, 75465), (2580, 69849), (2587, 69660), (2795, 64476), (2985, 60372), (3354, 53730), (3483, 51740), (3510, 51342), (3582, 50310), (3870, 46566), (3980, 45279), (4212, 42785), (4644, 38805), (5031, 35820), (5174, 34830), (5265, 34228), (5373, 33540), (5590, 32238), (5805, 31044), (5970, 30186), (6708, 26865), (6966, 25870), (7020, 25671), (7164, 25155), (7740, 23283), (7761, 23220), (8385, 21492), (8557, 21060), (8955, 20124), (10062, 17910), (10348, 17415), (10530, 17114), (10746, 16770), (11180, 16119), (11610, 15522), (11940, 15093), (12935, 13932)]