320259760

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:207

約数の個数: 160

約数和(自身を含む): 819233280

約数和(自身を除く): 498973520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 61, 62, 73, 80, 116, 122, 124, 145, 146, 155, 232, 244, 248, 290, 292, 305, 310, 365, 464, 488, 496, 580, 584, 610, 620, 730, 899, 976, 1160, 1168, 1220, 1240, 1460, 1769, 1798, 1891, 2117, 2263, 2320, 2440, 2480, 2920, 3538, 3596, 3782, 4234, 4453, 4495, 4526, 4880, 5840, 7076, 7192, 7564, 8468, 8845, 8906, 8990, 9052, 9455, 10585, 11315, 14152, 14384, 15128, 16936, 17690, 17812, 17980, 18104, 18910, 21170, 22265, 22630, 28304, 30256, 33872, 35380, 35624, 35960, 36208, 37820, 42340, 44530, 45260, 54839, 65627, 70760, 71248, 71920, 75640, 84680, 89060, 90520, 109678, 129137, 131254, 138043, 141520, 151280, 169360, 178120, 181040, 219356, 258274, 262508, 274195, 276086, 328135, 356240, 438712, 516548, 525016, 548390, 552172, 645685, 656270, 690215, 877424, 1033096, 1050032, 1096780, 1104344, 1291370, 1312540, 1380430, 2066192, 2193560, 2208688, 2582740, 2625080, 2760860, 4003247, 4387120, 5165480, 5250160, 5521720, 8006494, 10330960, 11043440, 16012988, 20016235, 32025976, 40032470, 64051952, 80064940, 160129880, 320259760]

約数ペア:

[(1, 320259760), (2, 160129880), (4, 80064940), (5, 64051952), (8, 40032470), (10, 32025976), (16, 20016235), (20, 16012988), (29, 11043440), (31, 10330960), (40, 8006494), (58, 5521720), (61, 5250160), (62, 5165480), (73, 4387120), (80, 4003247), (116, 2760860), (122, 2625080), (124, 2582740), (145, 2208688), (146, 2193560), (155, 2066192), (232, 1380430), (244, 1312540), (248, 1291370), (290, 1104344), (292, 1096780), (305, 1050032), (310, 1033096), (365, 877424), (464, 690215), (488, 656270), (496, 645685), (580, 552172), (584, 548390), (610, 525016), (620, 516548), (730, 438712), (899, 356240), (976, 328135), (1160, 276086), (1168, 274195), (1220, 262508), (1240, 258274), (1460, 219356), (1769, 181040), (1798, 178120), (1891, 169360), (2117, 151280), (2263, 141520), (2320, 138043), (2440, 131254), (2480, 129137), (2920, 109678), (3538, 90520), (3596, 89060), (3782, 84680), (4234, 75640), (4453, 71920), (4495, 71248), (4526, 70760), (4880, 65627), (5840, 54839), (7076, 45260), (7192, 44530), (7564, 42340), (8468, 37820), (8845, 36208), (8906, 35960), (8990, 35624), (9052, 35380), (9455, 33872), (10585, 30256), (11315, 28304), (14152, 22630), (14384, 22265), (15128, 21170), (16936, 18910), (17690, 18104), (17812, 17980)]