78441960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{293}}^1$

素因数の和:427

約数の個数: 128

約数和(自身を含む): 248935680

約数和(自身を除く): 170493720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 97, 115, 120, 138, 184, 194, 230, 276, 291, 293, 345, 388, 460, 485, 552, 582, 586, 690, 776, 879, 920, 970, 1164, 1172, 1380, 1455, 1465, 1758, 1940, 2231, 2328, 2344, 2760, 2910, 2930, 3516, 3880, 4395, 4462, 5820, 5860, 6693, 6739, 7032, 8790, 8924, 11155, 11640, 11720, 13386, 13478, 17580, 17848, 20217, 22310, 26772, 26956, 28421, 33465, 33695, 35160, 40434, 44620, 53544, 53912, 56842, 66930, 67390, 80868, 85263, 89240, 101085, 113684, 133860, 134780, 142105, 161736, 170526, 202170, 227368, 267720, 269560, 284210, 341052, 404340, 426315, 568420, 653683, 682104, 808680, 852630, 1136840, 1307366, 1705260, 1961049, 2614732, 3268415, 3410520, 3922098, 5229464, 6536830, 7844196, 9805245, 13073660, 15688392, 19610490, 26147320, 39220980, 78441960]

約数ペア:

[(1, 78441960), (2, 39220980), (3, 26147320), (4, 19610490), (5, 15688392), (6, 13073660), (8, 9805245), (10, 7844196), (12, 6536830), (15, 5229464), (20, 3922098), (23, 3410520), (24, 3268415), (30, 2614732), (40, 1961049), (46, 1705260), (60, 1307366), (69, 1136840), (92, 852630), (97, 808680), (115, 682104), (120, 653683), (138, 568420), (184, 426315), (194, 404340), (230, 341052), (276, 284210), (291, 269560), (293, 267720), (345, 227368), (388, 202170), (460, 170526), (485, 161736), (552, 142105), (582, 134780), (586, 133860), (690, 113684), (776, 101085), (879, 89240), (920, 85263), (970, 80868), (1164, 67390), (1172, 66930), (1380, 56842), (1455, 53912), (1465, 53544), (1758, 44620), (1940, 40434), (2231, 35160), (2328, 33695), (2344, 33465), (2760, 28421), (2910, 26956), (2930, 26772), (3516, 22310), (3880, 20217), (4395, 17848), (4462, 17580), (5820, 13478), (5860, 13386), (6693, 11720), (6739, 11640), (7032, 11155), (8790, 8924)]