27720336420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{42227}}^1$

素因数の和:42770

約数の個数: 144

約数和(自身を含む): 96283893888

約数和(自身を除く): 68563557468

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, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 521, 630, 1042, 1260, 1563, 2084, 2605, 3126, 3647, 4689, 5210, 6252, 7294, 7815, 9378, 10420, 10941, 14588, 15630, 18235, 18756, 21882, 23445, 31260, 32823, 36470, 42227, 43764, 46890, 54705, 65646, 72940, 84454, 93780, 109410, 126681, 131292, 164115, 168908, 211135, 218820, 253362, 295589, 328230, 380043, 422270, 506724, 591178, 633405, 656460, 760086, 844540, 886767, 1182356, 1266810, 1477945, 1520172, 1773534, 1900215, 2533620, 2660301, 2955890, 3547068, 3800430, 4433835, 5320602, 5911780, 7600860, 8867670, 10641204, 13301505, 17735340, 22000267, 26603010, 44000534, 53206020, 66000801, 88001068, 110001335, 132001602, 154001869, 198002403, 220002670, 264003204, 308003738, 330004005, 396004806, 440005340, 462005607, 616007476, 660008010, 770009345, 792009612, 924011214, 990012015, 1320016020, 1386016821, 1540018690, 1848022428, 1980024030, 2310028035, 2772033642, 3080037380, 3960048060, 4620056070, 5544067284, 6930084105, 9240112140, 13860168210, 27720336420]

約数ペア:

[(1, 27720336420), (2, 13860168210), (3, 9240112140), (4, 6930084105), (5, 5544067284), (6, 4620056070), (7, 3960048060), (9, 3080037380), (10, 2772033642), (12, 2310028035), (14, 1980024030), (15, 1848022428), (18, 1540018690), (20, 1386016821), (21, 1320016020), (28, 990012015), (30, 924011214), (35, 792009612), (36, 770009345), (42, 660008010), (45, 616007476), (60, 462005607), (63, 440005340), (70, 396004806), (84, 330004005), (90, 308003738), (105, 264003204), (126, 220002670), (140, 198002403), (180, 154001869), (210, 132001602), (252, 110001335), (315, 88001068), (420, 66000801), (521, 53206020), (630, 44000534), (1042, 26603010), (1260, 22000267), (1563, 17735340), (2084, 13301505), (2605, 10641204), (3126, 8867670), (3647, 7600860), (4689, 5911780), (5210, 5320602), (6252, 4433835), (7294, 3800430), (7815, 3547068), (9378, 2955890), (10420, 2660301), (10941, 2533620), (14588, 1900215), (15630, 1773534), (18235, 1520172), (18756, 1477945), (21882, 1266810), (23445, 1182356), (31260, 886767), (32823, 844540), (36470, 760086), (42227, 656460), (43764, 633405), (46890, 591178), (54705, 506724), (65646, 422270), (72940, 380043), (84454, 328230), (93780, 295589), (109410, 253362), (126681, 218820), (131292, 211135), (164115, 168908)]