78670640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{709}}^1$

素因数の和:814

約数の個数: 80

約数和(自身を含む): 195448800

約数和(自身を除く): 116778160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 73, 76, 80, 95, 146, 152, 190, 292, 304, 365, 380, 584, 709, 730, 760, 1168, 1387, 1418, 1460, 1520, 2774, 2836, 2920, 3545, 5548, 5672, 5840, 6935, 7090, 11096, 11344, 13471, 13870, 14180, 22192, 26942, 27740, 28360, 51757, 53884, 55480, 56720, 67355, 103514, 107768, 110960, 134710, 207028, 215536, 258785, 269420, 414056, 517570, 538840, 828112, 983383, 1035140, 1077680, 1966766, 2070280, 3933532, 4140560, 4916915, 7867064, 9833830, 15734128, 19667660, 39335320, 78670640]

約数ペア:

[(1, 78670640), (2, 39335320), (4, 19667660), (5, 15734128), (8, 9833830), (10, 7867064), (16, 4916915), (19, 4140560), (20, 3933532), (38, 2070280), (40, 1966766), (73, 1077680), (76, 1035140), (80, 983383), (95, 828112), (146, 538840), (152, 517570), (190, 414056), (292, 269420), (304, 258785), (365, 215536), (380, 207028), (584, 134710), (709, 110960), (730, 107768), (760, 103514), (1168, 67355), (1387, 56720), (1418, 55480), (1460, 53884), (1520, 51757), (2774, 28360), (2836, 27740), (2920, 26942), (3545, 22192), (5548, 14180), (5672, 13870), (5840, 13471), (6935, 11344), (7090, 11096)]