30886740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 99524880

約数和(自身を除く): 68638140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 61, 87, 90, 97, 116, 122, 145, 174, 180, 183, 194, 244, 261, 290, 291, 305, 348, 366, 388, 435, 485, 522, 549, 580, 582, 610, 732, 870, 873, 915, 970, 1044, 1098, 1164, 1220, 1305, 1455, 1740, 1746, 1769, 1830, 1940, 2196, 2610, 2745, 2813, 2910, 3492, 3538, 3660, 4365, 5220, 5307, 5490, 5626, 5820, 5917, 7076, 8439, 8730, 8845, 10614, 10980, 11252, 11834, 14065, 15921, 16878, 17460, 17690, 17751, 21228, 23668, 25317, 26535, 28130, 29585, 31842, 33756, 35380, 35502, 42195, 50634, 53070, 53253, 56260, 59170, 63684, 71004, 79605, 84390, 88755, 101268, 106140, 106506, 118340, 126585, 159210, 168780, 171593, 177510, 213012, 253170, 266265, 318420, 343186, 355020, 506340, 514779, 532530, 686372, 857965, 1029558, 1065060, 1544337, 1715930, 2059116, 2573895, 3088674, 3431860, 5147790, 6177348, 7721685, 10295580, 15443370, 30886740]

約数ペア:

[(1, 30886740), (2, 15443370), (3, 10295580), (4, 7721685), (5, 6177348), (6, 5147790), (9, 3431860), (10, 3088674), (12, 2573895), (15, 2059116), (18, 1715930), (20, 1544337), (29, 1065060), (30, 1029558), (36, 857965), (45, 686372), (58, 532530), (60, 514779), (61, 506340), (87, 355020), (90, 343186), (97, 318420), (116, 266265), (122, 253170), (145, 213012), (174, 177510), (180, 171593), (183, 168780), (194, 159210), (244, 126585), (261, 118340), (290, 106506), (291, 106140), (305, 101268), (348, 88755), (366, 84390), (388, 79605), (435, 71004), (485, 63684), (522, 59170), (549, 56260), (580, 53253), (582, 53070), (610, 50634), (732, 42195), (870, 35502), (873, 35380), (915, 33756), (970, 31842), (1044, 29585), (1098, 28130), (1164, 26535), (1220, 25317), (1305, 23668), (1455, 21228), (1740, 17751), (1746, 17690), (1769, 17460), (1830, 16878), (1940, 15921), (2196, 14065), (2610, 11834), (2745, 11252), (2813, 10980), (2910, 10614), (3492, 8845), (3538, 8730), (3660, 8439), (4365, 7076), (5220, 5917), (5307, 5820), (5490, 5626)]