1215281520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{31847}}^1$

素因数の和:31919

約数の個数: 120

約数和(自身を含む): 4158457056

約数和(自身を除く): 2943175536

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 53, 60, 72, 80, 90, 106, 120, 144, 159, 180, 212, 240, 265, 318, 360, 424, 477, 530, 636, 720, 795, 848, 954, 1060, 1272, 1590, 1908, 2120, 2385, 2544, 3180, 3816, 4240, 4770, 6360, 7632, 9540, 12720, 19080, 31847, 38160, 63694, 95541, 127388, 159235, 191082, 254776, 286623, 318470, 382164, 477705, 509552, 573246, 636940, 764328, 955410, 1146492, 1273880, 1433115, 1528656, 1687891, 1910820, 2292984, 2547760, 2866230, 3375782, 3821640, 4585968, 5063673, 5732460, 6751564, 7643280, 8439455, 10127346, 11464920, 13503128, 15191019, 16878910, 20254692, 22929840, 25318365, 27006256, 30382038, 33757820, 40509384, 50636730, 60764076, 67515640, 75955095, 81018768, 101273460, 121528152, 135031280, 151910190, 202546920, 243056304, 303820380, 405093840, 607640760, 1215281520]

約数ペア:

[(1, 1215281520), (2, 607640760), (3, 405093840), (4, 303820380), (5, 243056304), (6, 202546920), (8, 151910190), (9, 135031280), (10, 121528152), (12, 101273460), (15, 81018768), (16, 75955095), (18, 67515640), (20, 60764076), (24, 50636730), (30, 40509384), (36, 33757820), (40, 30382038), (45, 27006256), (48, 25318365), (53, 22929840), (60, 20254692), (72, 16878910), (80, 15191019), (90, 13503128), (106, 11464920), (120, 10127346), (144, 8439455), (159, 7643280), (180, 6751564), (212, 5732460), (240, 5063673), (265, 4585968), (318, 3821640), (360, 3375782), (424, 2866230), (477, 2547760), (530, 2292984), (636, 1910820), (720, 1687891), (795, 1528656), (848, 1433115), (954, 1273880), (1060, 1146492), (1272, 955410), (1590, 764328), (1908, 636940), (2120, 573246), (2385, 509552), (2544, 477705), (3180, 382164), (3816, 318470), (4240, 286623), (4770, 254776), (6360, 191082), (7632, 159235), (9540, 127388), (12720, 95541), (19080, 63694), (31847, 38160)]