79708920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{953}}^1$

素因数の和:1025

約数の個数: 128

約数和(自身を含む): 259640640

約数和(自身を除く): 179931720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 41, 51, 60, 68, 82, 85, 102, 120, 123, 136, 164, 170, 204, 205, 246, 255, 328, 340, 408, 410, 492, 510, 615, 680, 697, 820, 953, 984, 1020, 1230, 1394, 1640, 1906, 2040, 2091, 2460, 2788, 2859, 3485, 3812, 4182, 4765, 4920, 5576, 5718, 6970, 7624, 8364, 9530, 10455, 11436, 13940, 14295, 16201, 16728, 19060, 20910, 22872, 27880, 28590, 32402, 38120, 39073, 41820, 48603, 57180, 64804, 78146, 81005, 83640, 97206, 114360, 117219, 129608, 156292, 162010, 194412, 195365, 234438, 243015, 312584, 324020, 388824, 390730, 468876, 486030, 586095, 648040, 664241, 781460, 937752, 972060, 1172190, 1328482, 1562920, 1944120, 1992723, 2344380, 2656964, 3321205, 3985446, 4688760, 5313928, 6642410, 7970892, 9963615, 13284820, 15941784, 19927230, 26569640, 39854460, 79708920]

約数ペア:

[(1, 79708920), (2, 39854460), (3, 26569640), (4, 19927230), (5, 15941784), (6, 13284820), (8, 9963615), (10, 7970892), (12, 6642410), (15, 5313928), (17, 4688760), (20, 3985446), (24, 3321205), (30, 2656964), (34, 2344380), (40, 1992723), (41, 1944120), (51, 1562920), (60, 1328482), (68, 1172190), (82, 972060), (85, 937752), (102, 781460), (120, 664241), (123, 648040), (136, 586095), (164, 486030), (170, 468876), (204, 390730), (205, 388824), (246, 324020), (255, 312584), (328, 243015), (340, 234438), (408, 195365), (410, 194412), (492, 162010), (510, 156292), (615, 129608), (680, 117219), (697, 114360), (820, 97206), (953, 83640), (984, 81005), (1020, 78146), (1230, 64804), (1394, 57180), (1640, 48603), (1906, 41820), (2040, 39073), (2091, 38120), (2460, 32402), (2788, 28590), (2859, 27880), (3485, 22872), (3812, 20910), (4182, 19060), (4765, 16728), (4920, 16201), (5576, 14295), (5718, 13940), (6970, 11436), (7624, 10455), (8364, 9530)]