78208040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1069}}^1$

素因数の和:1170

約数の個数: 64

約数和(自身を含む): 184896000

約数和(自身を除く): 106687960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 59, 62, 118, 124, 155, 236, 248, 295, 310, 472, 590, 620, 1069, 1180, 1240, 1829, 2138, 2360, 3658, 4276, 5345, 7316, 8552, 9145, 10690, 14632, 18290, 21380, 33139, 36580, 42760, 63071, 66278, 73160, 126142, 132556, 165695, 252284, 265112, 315355, 331390, 504568, 630710, 662780, 1261420, 1325560, 1955201, 2522840, 3910402, 7820804, 9776005, 15641608, 19552010, 39104020, 78208040]

約数ペア:

[(1, 78208040), (2, 39104020), (4, 19552010), (5, 15641608), (8, 9776005), (10, 7820804), (20, 3910402), (31, 2522840), (40, 1955201), (59, 1325560), (62, 1261420), (118, 662780), (124, 630710), (155, 504568), (236, 331390), (248, 315355), (295, 265112), (310, 252284), (472, 165695), (590, 132556), (620, 126142), (1069, 73160), (1180, 66278), (1240, 63071), (1829, 42760), (2138, 36580), (2360, 33139), (3658, 21380), (4276, 18290), (5345, 14632), (7316, 10690), (8552, 9145)]