253643880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{8161}}^1$

素因数の和:8219

約数の個数: 128

約数和(自身を含む): 893249280

約数和(自身を除く): 639605400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 2072, 2220, 2590, 3108, 3885, 4440, 5180, 6216, 7770, 8161, 10360, 15540, 16322, 24483, 31080, 32644, 40805, 48966, 57127, 65288, 81610, 97932, 114254, 122415, 163220, 171381, 195864, 228508, 244830, 285635, 301957, 326440, 342762, 457016, 489660, 571270, 603914, 685524, 856905, 905871, 979320, 1142540, 1207828, 1371048, 1509785, 1713810, 1811742, 2113699, 2285080, 2415656, 3019570, 3427620, 3623484, 4227398, 4529355, 6039140, 6341097, 6855240, 7246968, 8454796, 9058710, 10568495, 12078280, 12682194, 16909592, 18117420, 21136990, 25364388, 31705485, 36234840, 42273980, 50728776, 63410970, 84547960, 126821940, 253643880]

約数ペア:

[(1, 253643880), (2, 126821940), (3, 84547960), (4, 63410970), (5, 50728776), (6, 42273980), (7, 36234840), (8, 31705485), (10, 25364388), (12, 21136990), (14, 18117420), (15, 16909592), (20, 12682194), (21, 12078280), (24, 10568495), (28, 9058710), (30, 8454796), (35, 7246968), (37, 6855240), (40, 6341097), (42, 6039140), (56, 4529355), (60, 4227398), (70, 3623484), (74, 3427620), (84, 3019570), (105, 2415656), (111, 2285080), (120, 2113699), (140, 1811742), (148, 1713810), (168, 1509785), (185, 1371048), (210, 1207828), (222, 1142540), (259, 979320), (280, 905871), (296, 856905), (370, 685524), (420, 603914), (444, 571270), (518, 489660), (555, 457016), (740, 342762), (777, 326440), (840, 301957), (888, 285635), (1036, 244830), (1110, 228508), (1295, 195864), (1480, 171381), (1554, 163220), (2072, 122415), (2220, 114254), (2590, 97932), (3108, 81610), (3885, 65288), (4440, 57127), (5180, 48966), (6216, 40805), (7770, 32644), (8161, 31080), (10360, 24483), (15540, 16322)]