240215280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{389}}^1$

素因数の和:519

約数の個数: 160

約数和(自身を含む): 779950080

約数和(自身を除く): 539734800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 83, 93, 120, 124, 155, 166, 186, 240, 248, 249, 310, 332, 372, 389, 415, 465, 496, 498, 620, 664, 744, 778, 830, 930, 996, 1167, 1240, 1245, 1328, 1488, 1556, 1660, 1860, 1945, 1992, 2334, 2480, 2490, 2573, 3112, 3320, 3720, 3890, 3984, 4668, 4980, 5146, 5835, 6224, 6640, 7440, 7719, 7780, 9336, 9960, 10292, 11670, 12059, 12865, 15438, 15560, 18672, 19920, 20584, 23340, 24118, 25730, 30876, 31120, 32287, 36177, 38595, 41168, 46680, 48236, 51460, 60295, 61752, 64574, 72354, 77190, 93360, 96472, 96861, 102920, 120590, 123504, 129148, 144708, 154380, 161435, 180885, 192944, 193722, 205840, 241180, 258296, 289416, 308760, 322870, 361770, 387444, 482360, 484305, 516592, 578832, 617520, 645740, 723540, 774888, 964720, 968610, 1000897, 1291480, 1447080, 1549776, 1937220, 2001794, 2582960, 2894160, 3002691, 3874440, 4003588, 5004485, 6005382, 7748880, 8007176, 10008970, 12010764, 15013455, 16014352, 20017940, 24021528, 30026910, 40035880, 48043056, 60053820, 80071760, 120107640, 240215280]

約数ペア:

[(1, 240215280), (2, 120107640), (3, 80071760), (4, 60053820), (5, 48043056), (6, 40035880), (8, 30026910), (10, 24021528), (12, 20017940), (15, 16014352), (16, 15013455), (20, 12010764), (24, 10008970), (30, 8007176), (31, 7748880), (40, 6005382), (48, 5004485), (60, 4003588), (62, 3874440), (80, 3002691), (83, 2894160), (93, 2582960), (120, 2001794), (124, 1937220), (155, 1549776), (166, 1447080), (186, 1291480), (240, 1000897), (248, 968610), (249, 964720), (310, 774888), (332, 723540), (372, 645740), (389, 617520), (415, 578832), (465, 516592), (496, 484305), (498, 482360), (620, 387444), (664, 361770), (744, 322870), (778, 308760), (830, 289416), (930, 258296), (996, 241180), (1167, 205840), (1240, 193722), (1245, 192944), (1328, 180885), (1488, 161435), (1556, 154380), (1660, 144708), (1860, 129148), (1945, 123504), (1992, 120590), (2334, 102920), (2480, 96861), (2490, 96472), (2573, 93360), (3112, 77190), (3320, 72354), (3720, 64574), (3890, 61752), (3984, 60295), (4668, 51460), (4980, 48236), (5146, 46680), (5835, 41168), (6224, 38595), (6640, 36177), (7440, 32287), (7719, 31120), (7780, 30876), (9336, 25730), (9960, 24118), (10292, 23340), (11670, 20584), (12059, 19920), (12865, 18672), (15438, 15560)]