157741640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1069}}^1$

素因数の和:1135

約数の個数: 128

約数和(自身を含む): 443750400

約数和(自身を除く): 286008760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 85, 119, 124, 136, 140, 155, 170, 217, 238, 248, 280, 310, 340, 434, 476, 527, 595, 620, 680, 868, 952, 1054, 1069, 1085, 1190, 1240, 1736, 2108, 2138, 2170, 2380, 2635, 3689, 4216, 4276, 4340, 4760, 5270, 5345, 7378, 7483, 8552, 8680, 10540, 10690, 14756, 14966, 18173, 18445, 21080, 21380, 29512, 29932, 33139, 36346, 36890, 37415, 42760, 59864, 66278, 72692, 73780, 74830, 90865, 127211, 132556, 145384, 147560, 149660, 165695, 181730, 231973, 254422, 265112, 299320, 331390, 363460, 463946, 508844, 563363, 636055, 662780, 726920, 927892, 1017688, 1126726, 1159865, 1272110, 1325560, 1855784, 2253452, 2319730, 2544220, 2816815, 3943541, 4506904, 4639460, 5088440, 5633630, 7887082, 9278920, 11267260, 15774164, 19717705, 22534520, 31548328, 39435410, 78870820, 157741640]

約数ペア:

[(1, 157741640), (2, 78870820), (4, 39435410), (5, 31548328), (7, 22534520), (8, 19717705), (10, 15774164), (14, 11267260), (17, 9278920), (20, 7887082), (28, 5633630), (31, 5088440), (34, 4639460), (35, 4506904), (40, 3943541), (56, 2816815), (62, 2544220), (68, 2319730), (70, 2253452), (85, 1855784), (119, 1325560), (124, 1272110), (136, 1159865), (140, 1126726), (155, 1017688), (170, 927892), (217, 726920), (238, 662780), (248, 636055), (280, 563363), (310, 508844), (340, 463946), (434, 363460), (476, 331390), (527, 299320), (595, 265112), (620, 254422), (680, 231973), (868, 181730), (952, 165695), (1054, 149660), (1069, 147560), (1085, 145384), (1190, 132556), (1240, 127211), (1736, 90865), (2108, 74830), (2138, 73780), (2170, 72692), (2380, 66278), (2635, 59864), (3689, 42760), (4216, 37415), (4276, 36890), (4340, 36346), (4760, 33139), (5270, 29932), (5345, 29512), (7378, 21380), (7483, 21080), (8552, 18445), (8680, 18173), (10540, 14966), (10690, 14756)]