520027920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1471}}^1$

素因数の和:1981

約数の個数: 120

約数和(自身を含む): 1751173632

約数和(自身を除く): 1231145712

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 491, 720, 982, 1471, 1473, 1964, 2455, 2942, 2946, 3928, 4413, 4419, 4910, 5884, 5892, 7355, 7365, 7856, 8826, 8838, 9820, 11768, 11784, 13239, 14710, 14730, 17652, 17676, 19640, 22065, 22095, 23536, 23568, 26478, 29420, 29460, 35304, 35352, 39280, 44130, 44190, 52956, 58840, 58920, 66195, 70608, 70704, 88260, 88380, 105912, 117680, 117840, 132390, 176520, 176760, 211824, 264780, 353040, 353520, 529560, 722261, 1059120, 1444522, 2166783, 2889044, 3611305, 4333566, 5778088, 6500349, 7222610, 8667132, 10833915, 11556176, 13000698, 14445220, 17334264, 21667830, 26001396, 28890440, 32501745, 34668528, 43335660, 52002792, 57780880, 65003490, 86671320, 104005584, 130006980, 173342640, 260013960, 520027920]

約数ペア:

[(1, 520027920), (2, 260013960), (3, 173342640), (4, 130006980), (5, 104005584), (6, 86671320), (8, 65003490), (9, 57780880), (10, 52002792), (12, 43335660), (15, 34668528), (16, 32501745), (18, 28890440), (20, 26001396), (24, 21667830), (30, 17334264), (36, 14445220), (40, 13000698), (45, 11556176), (48, 10833915), (60, 8667132), (72, 7222610), (80, 6500349), (90, 5778088), (120, 4333566), (144, 3611305), (180, 2889044), (240, 2166783), (360, 1444522), (491, 1059120), (720, 722261), (982, 529560), (1471, 353520), (1473, 353040), (1964, 264780), (2455, 211824), (2942, 176760), (2946, 176520), (3928, 132390), (4413, 117840), (4419, 117680), (4910, 105912), (5884, 88380), (5892, 88260), (7355, 70704), (7365, 70608), (7856, 66195), (8826, 58920), (8838, 58840), (9820, 52956), (11768, 44190), (11784, 44130), (13239, 39280), (14710, 35352), (14730, 35304), (17652, 29460), (17676, 29420), (19640, 26478), (22065, 23568), (22095, 23536)]