78203280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{499}}^1\times {\mathrm{653}}^1$

素因数の和:1168

約数の個数: 80

約数和(自身を含む): 243288000

約数和(自身を除く): 165084720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 499, 653, 998, 1306, 1497, 1959, 1996, 2495, 2612, 2994, 3265, 3918, 3992, 4990, 5224, 5988, 6530, 7485, 7836, 7984, 9795, 9980, 10448, 11976, 13060, 14970, 15672, 19590, 19960, 23952, 26120, 29940, 31344, 39180, 39920, 52240, 59880, 78360, 119760, 156720, 325847, 651694, 977541, 1303388, 1629235, 1955082, 2606776, 3258470, 3910164, 4887705, 5213552, 6516940, 7820328, 9775410, 13033880, 15640656, 19550820, 26067760, 39101640, 78203280]

約数ペア:

[(1, 78203280), (2, 39101640), (3, 26067760), (4, 19550820), (5, 15640656), (6, 13033880), (8, 9775410), (10, 7820328), (12, 6516940), (15, 5213552), (16, 4887705), (20, 3910164), (24, 3258470), (30, 2606776), (40, 1955082), (48, 1629235), (60, 1303388), (80, 977541), (120, 651694), (240, 325847), (499, 156720), (653, 119760), (998, 78360), (1306, 59880), (1497, 52240), (1959, 39920), (1996, 39180), (2495, 31344), (2612, 29940), (2994, 26120), (3265, 23952), (3918, 19960), (3992, 19590), (4990, 15672), (5224, 14970), (5988, 13060), (6530, 11976), (7485, 10448), (7836, 9980), (7984, 9795)]