89381320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{317}}^1$

素因数の和:407

約数の個数: 128

約数和(自身を含む): 247276800

約数和(自身を除く): 157895480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 53, 56, 70, 76, 95, 106, 133, 140, 152, 190, 212, 265, 266, 280, 317, 371, 380, 424, 530, 532, 634, 665, 742, 760, 1007, 1060, 1064, 1268, 1330, 1484, 1585, 1855, 2014, 2120, 2219, 2536, 2660, 2968, 3170, 3710, 4028, 4438, 5035, 5320, 6023, 6340, 7049, 7420, 8056, 8876, 10070, 11095, 12046, 12680, 14098, 14840, 16801, 17752, 20140, 22190, 24092, 28196, 30115, 33602, 35245, 40280, 42161, 44380, 48184, 56392, 60230, 67204, 70490, 84005, 84322, 88760, 117607, 120460, 134408, 140980, 168010, 168644, 210805, 235214, 240920, 281960, 319219, 336020, 337288, 421610, 470428, 588035, 638438, 672040, 843220, 940856, 1176070, 1276876, 1596095, 1686440, 2234533, 2352140, 2553752, 3192190, 4469066, 4704280, 6384380, 8938132, 11172665, 12768760, 17876264, 22345330, 44690660, 89381320]

約数ペア:

[(1, 89381320), (2, 44690660), (4, 22345330), (5, 17876264), (7, 12768760), (8, 11172665), (10, 8938132), (14, 6384380), (19, 4704280), (20, 4469066), (28, 3192190), (35, 2553752), (38, 2352140), (40, 2234533), (53, 1686440), (56, 1596095), (70, 1276876), (76, 1176070), (95, 940856), (106, 843220), (133, 672040), (140, 638438), (152, 588035), (190, 470428), (212, 421610), (265, 337288), (266, 336020), (280, 319219), (317, 281960), (371, 240920), (380, 235214), (424, 210805), (530, 168644), (532, 168010), (634, 140980), (665, 134408), (742, 120460), (760, 117607), (1007, 88760), (1060, 84322), (1064, 84005), (1268, 70490), (1330, 67204), (1484, 60230), (1585, 56392), (1855, 48184), (2014, 44380), (2120, 42161), (2219, 40280), (2536, 35245), (2660, 33602), (2968, 30115), (3170, 28196), (3710, 24092), (4028, 22190), (4438, 20140), (5035, 17752), (5320, 16801), (6023, 14840), (6340, 14098), (7049, 12680), (7420, 12046), (8056, 11095), (8876, 10070)]