61281220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3061}}^1$

素因数の和:3101

約数の個数: 96

約数和(自身を含む): 172843776

約数和(自身を除く): 111562556

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 130, 140, 143, 154, 182, 220, 260, 286, 308, 364, 385, 455, 572, 715, 770, 910, 1001, 1430, 1540, 1820, 2002, 2860, 3061, 4004, 5005, 6122, 10010, 12244, 15305, 20020, 21427, 30610, 33671, 39793, 42854, 61220, 67342, 79586, 85708, 107135, 134684, 159172, 168355, 198965, 214270, 235697, 278551, 336710, 397930, 428540, 437723, 471394, 557102, 673420, 795860, 875446, 942788, 1114204, 1178485, 1392755, 1750892, 2188615, 2356970, 2785510, 3064061, 4377230, 4713940, 5571020, 6128122, 8754460, 12256244, 15320305, 30640610, 61281220]

約数ペア:

[(1, 61281220), (2, 30640610), (4, 15320305), (5, 12256244), (7, 8754460), (10, 6128122), (11, 5571020), (13, 4713940), (14, 4377230), (20, 3064061), (22, 2785510), (26, 2356970), (28, 2188615), (35, 1750892), (44, 1392755), (52, 1178485), (55, 1114204), (65, 942788), (70, 875446), (77, 795860), (91, 673420), (110, 557102), (130, 471394), (140, 437723), (143, 428540), (154, 397930), (182, 336710), (220, 278551), (260, 235697), (286, 214270), (308, 198965), (364, 168355), (385, 159172), (455, 134684), (572, 107135), (715, 85708), (770, 79586), (910, 67342), (1001, 61220), (1430, 42854), (1540, 39793), (1820, 33671), (2002, 30610), (2860, 21427), (3061, 20020), (4004, 15305), (5005, 12244), (6122, 10010)]