78255680

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:308

約数の個数: 112

約数和(自身を含む): 200314560

約数和(自身を除く): 122058880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 61, 64, 76, 80, 95, 122, 152, 160, 190, 211, 244, 304, 305, 320, 380, 422, 488, 608, 610, 760, 844, 976, 1055, 1159, 1216, 1220, 1520, 1688, 1952, 2110, 2318, 2440, 3040, 3376, 3904, 4009, 4220, 4636, 4880, 5795, 6080, 6752, 8018, 8440, 9272, 9760, 11590, 12871, 13504, 16036, 16880, 18544, 19520, 20045, 23180, 25742, 32072, 33760, 37088, 40090, 46360, 51484, 64144, 64355, 67520, 74176, 80180, 92720, 102968, 128288, 128710, 160360, 185440, 205936, 244549, 256576, 257420, 320720, 370880, 411872, 489098, 514840, 641440, 823744, 978196, 1029680, 1222745, 1282880, 1956392, 2059360, 2445490, 3912784, 4118720, 4890980, 7825568, 9781960, 15651136, 19563920, 39127840, 78255680]

約数ペア:

[(1, 78255680), (2, 39127840), (4, 19563920), (5, 15651136), (8, 9781960), (10, 7825568), (16, 4890980), (19, 4118720), (20, 3912784), (32, 2445490), (38, 2059360), (40, 1956392), (61, 1282880), (64, 1222745), (76, 1029680), (80, 978196), (95, 823744), (122, 641440), (152, 514840), (160, 489098), (190, 411872), (211, 370880), (244, 320720), (304, 257420), (305, 256576), (320, 244549), (380, 205936), (422, 185440), (488, 160360), (608, 128710), (610, 128288), (760, 102968), (844, 92720), (976, 80180), (1055, 74176), (1159, 67520), (1216, 64355), (1220, 64144), (1520, 51484), (1688, 46360), (1952, 40090), (2110, 37088), (2318, 33760), (2440, 32072), (3040, 25742), (3376, 23180), (3904, 20045), (4009, 19520), (4220, 18544), (4636, 16880), (4880, 16036), (5795, 13504), (6080, 12871), (6752, 11590), (8018, 9760), (8440, 9272)]