19724280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:285

約数の個数: 128

約数和(自身を含む): 64108800

約数和(自身を除く): 44384520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 41, 57, 60, 76, 82, 95, 114, 120, 123, 152, 164, 190, 205, 211, 228, 246, 285, 328, 380, 410, 422, 456, 492, 570, 615, 633, 760, 779, 820, 844, 984, 1055, 1140, 1230, 1266, 1558, 1640, 1688, 2110, 2280, 2337, 2460, 2532, 3116, 3165, 3895, 4009, 4220, 4674, 4920, 5064, 6232, 6330, 7790, 8018, 8440, 8651, 9348, 11685, 12027, 12660, 15580, 16036, 17302, 18696, 20045, 23370, 24054, 25320, 25953, 31160, 32072, 34604, 40090, 43255, 46740, 48108, 51906, 60135, 69208, 80180, 86510, 93480, 96216, 103812, 120270, 129765, 160360, 164369, 173020, 207624, 240540, 259530, 328738, 346040, 481080, 493107, 519060, 657476, 821845, 986214, 1038120, 1314952, 1643690, 1972428, 2465535, 3287380, 3944856, 4931070, 6574760, 9862140, 19724280]

約数ペア:

[(1, 19724280), (2, 9862140), (3, 6574760), (4, 4931070), (5, 3944856), (6, 3287380), (8, 2465535), (10, 1972428), (12, 1643690), (15, 1314952), (19, 1038120), (20, 986214), (24, 821845), (30, 657476), (38, 519060), (40, 493107), (41, 481080), (57, 346040), (60, 328738), (76, 259530), (82, 240540), (95, 207624), (114, 173020), (120, 164369), (123, 160360), (152, 129765), (164, 120270), (190, 103812), (205, 96216), (211, 93480), (228, 86510), (246, 80180), (285, 69208), (328, 60135), (380, 51906), (410, 48108), (422, 46740), (456, 43255), (492, 40090), (570, 34604), (615, 32072), (633, 31160), (760, 25953), (779, 25320), (820, 24054), (844, 23370), (984, 20045), (1055, 18696), (1140, 17302), (1230, 16036), (1266, 15580), (1558, 12660), (1640, 12027), (1688, 11685), (2110, 9348), (2280, 8651), (2337, 8440), (2460, 8018), (2532, 7790), (3116, 6330), (3165, 6232), (3895, 5064), (4009, 4920), (4220, 4674)]