639595920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{9907}}^1$

素因数の和:10192

約数の個数: 80

約数和(自身を含む): 1990319040

約数和(自身を除く): 1350723120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 269, 538, 807, 1076, 1345, 1614, 2152, 2690, 3228, 4035, 4304, 5380, 6456, 8070, 9907, 10760, 12912, 16140, 19814, 21520, 29721, 32280, 39628, 49535, 59442, 64560, 79256, 99070, 118884, 148605, 158512, 198140, 237768, 297210, 396280, 475536, 594420, 792560, 1188840, 2377680, 2664983, 5329966, 7994949, 10659932, 13324915, 15989898, 21319864, 26649830, 31979796, 39974745, 42639728, 53299660, 63959592, 79949490, 106599320, 127919184, 159898980, 213198640, 319797960, 639595920]

約数ペア:

[(1, 639595920), (2, 319797960), (3, 213198640), (4, 159898980), (5, 127919184), (6, 106599320), (8, 79949490), (10, 63959592), (12, 53299660), (15, 42639728), (16, 39974745), (20, 31979796), (24, 26649830), (30, 21319864), (40, 15989898), (48, 13324915), (60, 10659932), (80, 7994949), (120, 5329966), (240, 2664983), (269, 2377680), (538, 1188840), (807, 792560), (1076, 594420), (1345, 475536), (1614, 396280), (2152, 297210), (2690, 237768), (3228, 198140), (4035, 158512), (4304, 148605), (5380, 118884), (6456, 99070), (8070, 79256), (9907, 64560), (10760, 59442), (12912, 49535), (16140, 39628), (19814, 32280), (21520, 29721)]