724809320

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{2339}}^1$

素因数の和:2538

約数の個数: 64

約数和(自身を含む): 1671321600

約数和(自身を除く): 946512280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 127, 244, 254, 305, 488, 508, 610, 635, 1016, 1220, 1270, 2339, 2440, 2540, 4678, 5080, 7747, 9356, 11695, 15494, 18712, 23390, 30988, 38735, 46780, 61976, 77470, 93560, 142679, 154940, 285358, 297053, 309880, 570716, 594106, 713395, 1141432, 1188212, 1426790, 1485265, 2376424, 2853580, 2970530, 5707160, 5941060, 11882120, 18120233, 36240466, 72480932, 90601165, 144961864, 181202330, 362404660, 724809320]

約数ペア:

[(1, 724809320), (2, 362404660), (4, 181202330), (5, 144961864), (8, 90601165), (10, 72480932), (20, 36240466), (40, 18120233), (61, 11882120), (122, 5941060), (127, 5707160), (244, 2970530), (254, 2853580), (305, 2376424), (488, 1485265), (508, 1426790), (610, 1188212), (635, 1141432), (1016, 713395), (1220, 594106), (1270, 570716), (2339, 309880), (2440, 297053), (2540, 285358), (4678, 154940), (5080, 142679), (7747, 93560), (9356, 77470), (11695, 61976), (15494, 46780), (18712, 38735), (23390, 30988)]