15102990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 47139840

約数和(自身を除く): 32036850

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 61, 63, 70, 90, 105, 122, 126, 131, 135, 183, 189, 210, 262, 270, 305, 315, 366, 378, 393, 427, 549, 610, 630, 655, 786, 854, 915, 917, 945, 1098, 1179, 1281, 1310, 1647, 1830, 1834, 1890, 1965, 2135, 2358, 2562, 2745, 2751, 3294, 3537, 3843, 3930, 4270, 4585, 5490, 5502, 5895, 6405, 7074, 7686, 7991, 8235, 8253, 9170, 11529, 11790, 12810, 13755, 15982, 16470, 16506, 17685, 19215, 23058, 23973, 24759, 27510, 35370, 38430, 39955, 41265, 47946, 49518, 55937, 57645, 71919, 79910, 82530, 111874, 115290, 119865, 123795, 143838, 167811, 215757, 239730, 247590, 279685, 335622, 359595, 431514, 503433, 559370, 719190, 839055, 1006866, 1078785, 1510299, 1678110, 2157570, 2517165, 3020598, 5034330, 7551495, 15102990]

約数ペア:

[(1, 15102990), (2, 7551495), (3, 5034330), (5, 3020598), (6, 2517165), (7, 2157570), (9, 1678110), (10, 1510299), (14, 1078785), (15, 1006866), (18, 839055), (21, 719190), (27, 559370), (30, 503433), (35, 431514), (42, 359595), (45, 335622), (54, 279685), (61, 247590), (63, 239730), (70, 215757), (90, 167811), (105, 143838), (122, 123795), (126, 119865), (131, 115290), (135, 111874), (183, 82530), (189, 79910), (210, 71919), (262, 57645), (270, 55937), (305, 49518), (315, 47946), (366, 41265), (378, 39955), (393, 38430), (427, 35370), (549, 27510), (610, 24759), (630, 23973), (655, 23058), (786, 19215), (854, 17685), (915, 16506), (917, 16470), (945, 15982), (1098, 13755), (1179, 12810), (1281, 11790), (1310, 11529), (1647, 9170), (1830, 8253), (1834, 8235), (1890, 7991), (1965, 7686), (2135, 7074), (2358, 6405), (2562, 5895), (2745, 5502), (2751, 5490), (3294, 4585), (3537, 4270), (3843, 3930)]