15631440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:249

約数の個数: 160

約数和(自身を含む): 54853632

約数和(自身を除く): 39222192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 31, 33, 40, 44, 48, 55, 60, 62, 66, 80, 88, 93, 110, 120, 124, 132, 155, 165, 176, 186, 191, 220, 240, 248, 264, 310, 330, 341, 372, 382, 440, 465, 496, 528, 573, 620, 660, 682, 744, 764, 880, 930, 955, 1023, 1146, 1240, 1320, 1364, 1488, 1528, 1705, 1860, 1910, 2046, 2101, 2292, 2480, 2640, 2728, 2865, 3056, 3410, 3720, 3820, 4092, 4202, 4584, 5115, 5456, 5730, 5921, 6303, 6820, 7440, 7640, 8184, 8404, 9168, 10230, 10505, 11460, 11842, 12606, 13640, 15280, 16368, 16808, 17763, 20460, 21010, 22920, 23684, 25212, 27280, 29605, 31515, 33616, 35526, 40920, 42020, 45840, 47368, 50424, 59210, 63030, 65131, 71052, 81840, 84040, 88815, 94736, 100848, 118420, 126060, 130262, 142104, 168080, 177630, 195393, 236840, 252120, 260524, 284208, 325655, 355260, 390786, 473680, 504240, 521048, 651310, 710520, 781572, 976965, 1042096, 1302620, 1421040, 1563144, 1953930, 2605240, 3126288, 3907860, 5210480, 7815720, 15631440]

約数ペア:

[(1, 15631440), (2, 7815720), (3, 5210480), (4, 3907860), (5, 3126288), (6, 2605240), (8, 1953930), (10, 1563144), (11, 1421040), (12, 1302620), (15, 1042096), (16, 976965), (20, 781572), (22, 710520), (24, 651310), (30, 521048), (31, 504240), (33, 473680), (40, 390786), (44, 355260), (48, 325655), (55, 284208), (60, 260524), (62, 252120), (66, 236840), (80, 195393), (88, 177630), (93, 168080), (110, 142104), (120, 130262), (124, 126060), (132, 118420), (155, 100848), (165, 94736), (176, 88815), (186, 84040), (191, 81840), (220, 71052), (240, 65131), (248, 63030), (264, 59210), (310, 50424), (330, 47368), (341, 45840), (372, 42020), (382, 40920), (440, 35526), (465, 33616), (496, 31515), (528, 29605), (573, 27280), (620, 25212), (660, 23684), (682, 22920), (744, 21010), (764, 20460), (880, 17763), (930, 16808), (955, 16368), (1023, 15280), (1146, 13640), (1240, 12606), (1320, 11842), (1364, 11460), (1488, 10505), (1528, 10230), (1705, 9168), (1860, 8404), (1910, 8184), (2046, 7640), (2101, 7440), (2292, 6820), (2480, 6303), (2640, 5921), (2728, 5730), (2865, 5456), (3056, 5115), (3410, 4584), (3720, 4202), (3820, 4092)]