64004920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:317

約数の個数: 128

約数和(自身を含む): 177292800

約数和(自身を除く): 113287880

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, 227, 265, 266, 280, 371, 380, 424, 454, 530, 532, 665, 742, 760, 908, 1007, 1060, 1064, 1135, 1330, 1484, 1589, 1816, 1855, 2014, 2120, 2270, 2660, 2968, 3178, 3710, 4028, 4313, 4540, 5035, 5320, 6356, 7049, 7420, 7945, 8056, 8626, 9080, 10070, 12031, 12712, 14098, 14840, 15890, 17252, 20140, 21565, 24062, 28196, 30191, 31780, 34504, 35245, 40280, 43130, 48124, 56392, 60155, 60382, 63560, 70490, 84217, 86260, 96248, 120310, 120764, 140980, 150955, 168434, 172520, 228589, 240620, 241528, 281960, 301910, 336868, 421085, 457178, 481240, 603820, 673736, 842170, 914356, 1142945, 1207640, 1600123, 1684340, 1828712, 2285890, 3200246, 3368680, 4571780, 6400492, 8000615, 9143560, 12800984, 16001230, 32002460, 64004920]

約数ペア:

[(1, 64004920), (2, 32002460), (4, 16001230), (5, 12800984), (7, 9143560), (8, 8000615), (10, 6400492), (14, 4571780), (19, 3368680), (20, 3200246), (28, 2285890), (35, 1828712), (38, 1684340), (40, 1600123), (53, 1207640), (56, 1142945), (70, 914356), (76, 842170), (95, 673736), (106, 603820), (133, 481240), (140, 457178), (152, 421085), (190, 336868), (212, 301910), (227, 281960), (265, 241528), (266, 240620), (280, 228589), (371, 172520), (380, 168434), (424, 150955), (454, 140980), (530, 120764), (532, 120310), (665, 96248), (742, 86260), (760, 84217), (908, 70490), (1007, 63560), (1060, 60382), (1064, 60155), (1135, 56392), (1330, 48124), (1484, 43130), (1589, 40280), (1816, 35245), (1855, 34504), (2014, 31780), (2120, 30191), (2270, 28196), (2660, 24062), (2968, 21565), (3178, 20140), (3710, 17252), (4028, 15890), (4313, 14840), (4540, 14098), (5035, 12712), (5320, 12031), (6356, 10070), (7049, 9080), (7420, 8626), (7945, 8056)]