15049980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{691}}^1$

素因数の和:728

約数の個数: 108

約数和(自身を含む): 50251656

約数和(自身を除く): 35201676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 691, 726, 990, 1089, 1210, 1382, 1452, 1815, 1980, 2073, 2178, 2420, 2764, 3455, 3630, 4146, 4356, 5445, 6219, 6910, 7260, 7601, 8292, 10365, 10890, 12438, 13820, 15202, 20730, 21780, 22803, 24876, 30404, 31095, 38005, 41460, 45606, 62190, 68409, 76010, 83611, 91212, 114015, 124380, 136818, 152020, 167222, 228030, 250833, 273636, 334444, 342045, 418055, 456060, 501666, 684090, 752499, 836110, 1003332, 1254165, 1368180, 1504998, 1672220, 2508330, 3009996, 3762495, 5016660, 7524990, 15049980]

約数ペア:

[(1, 15049980), (2, 7524990), (3, 5016660), (4, 3762495), (5, 3009996), (6, 2508330), (9, 1672220), (10, 1504998), (11, 1368180), (12, 1254165), (15, 1003332), (18, 836110), (20, 752499), (22, 684090), (30, 501666), (33, 456060), (36, 418055), (44, 342045), (45, 334444), (55, 273636), (60, 250833), (66, 228030), (90, 167222), (99, 152020), (110, 136818), (121, 124380), (132, 114015), (165, 91212), (180, 83611), (198, 76010), (220, 68409), (242, 62190), (330, 45606), (363, 41460), (396, 38005), (484, 31095), (495, 30404), (605, 24876), (660, 22803), (691, 21780), (726, 20730), (990, 15202), (1089, 13820), (1210, 12438), (1382, 10890), (1452, 10365), (1815, 8292), (1980, 7601), (2073, 7260), (2178, 6910), (2420, 6219), (2764, 5445), (3455, 4356), (3630, 4146)]