215284860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2801}}^1$

素因数の和:2884

約数の個数: 144

約数和(自身を含む): 758826432

約数和(自身を除く): 543541572

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 61, 63, 70, 84, 90, 105, 122, 126, 140, 180, 183, 210, 244, 252, 305, 315, 366, 420, 427, 549, 610, 630, 732, 854, 915, 1098, 1220, 1260, 1281, 1708, 1830, 2135, 2196, 2562, 2745, 2801, 3660, 3843, 4270, 5124, 5490, 5602, 6405, 7686, 8403, 8540, 10980, 11204, 12810, 14005, 15372, 16806, 19215, 19607, 25209, 25620, 28010, 33612, 38430, 39214, 42015, 50418, 56020, 58821, 76860, 78428, 84030, 98035, 100836, 117642, 126045, 168060, 170861, 176463, 196070, 235284, 252090, 294105, 341722, 352926, 392140, 504180, 512583, 588210, 683444, 705852, 854305, 882315, 1025166, 1176420, 1196027, 1537749, 1708610, 1764630, 2050332, 2392054, 2562915, 3075498, 3417220, 3529260, 3588081, 4784108, 5125830, 5980135, 6150996, 7176162, 7688745, 10251660, 10764243, 11960270, 14352324, 15377490, 17940405, 21528486, 23920540, 30754980, 35880810, 43056972, 53821215, 71761620, 107642430, 215284860]

約数ペア:

[(1, 215284860), (2, 107642430), (3, 71761620), (4, 53821215), (5, 43056972), (6, 35880810), (7, 30754980), (9, 23920540), (10, 21528486), (12, 17940405), (14, 15377490), (15, 14352324), (18, 11960270), (20, 10764243), (21, 10251660), (28, 7688745), (30, 7176162), (35, 6150996), (36, 5980135), (42, 5125830), (45, 4784108), (60, 3588081), (61, 3529260), (63, 3417220), (70, 3075498), (84, 2562915), (90, 2392054), (105, 2050332), (122, 1764630), (126, 1708610), (140, 1537749), (180, 1196027), (183, 1176420), (210, 1025166), (244, 882315), (252, 854305), (305, 705852), (315, 683444), (366, 588210), (420, 512583), (427, 504180), (549, 392140), (610, 352926), (630, 341722), (732, 294105), (854, 252090), (915, 235284), (1098, 196070), (1220, 176463), (1260, 170861), (1281, 168060), (1708, 126045), (1830, 117642), (2135, 100836), (2196, 98035), (2562, 84030), (2745, 78428), (2801, 76860), (3660, 58821), (3843, 56020), (4270, 50418), (5124, 42015), (5490, 39214), (5602, 38430), (6405, 33612), (7686, 28010), (8403, 25620), (8540, 25209), (10980, 19607), (11204, 19215), (12810, 16806), (14005, 15372)]