64128080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{773}}^1$

素因数の和:864

約数の個数: 80

約数和(自身を含む): 160663824

約数和(自身を除く): 96535744

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 61, 68, 80, 85, 122, 136, 170, 244, 272, 305, 340, 488, 610, 680, 773, 976, 1037, 1220, 1360, 1546, 2074, 2440, 3092, 3865, 4148, 4880, 5185, 6184, 7730, 8296, 10370, 12368, 13141, 15460, 16592, 20740, 26282, 30920, 41480, 47153, 52564, 61840, 65705, 82960, 94306, 105128, 131410, 188612, 210256, 235765, 262820, 377224, 471530, 525640, 754448, 801601, 943060, 1051280, 1603202, 1886120, 3206404, 3772240, 4008005, 6412808, 8016010, 12825616, 16032020, 32064040, 64128080]

約数ペア:

[(1, 64128080), (2, 32064040), (4, 16032020), (5, 12825616), (8, 8016010), (10, 6412808), (16, 4008005), (17, 3772240), (20, 3206404), (34, 1886120), (40, 1603202), (61, 1051280), (68, 943060), (80, 801601), (85, 754448), (122, 525640), (136, 471530), (170, 377224), (244, 262820), (272, 235765), (305, 210256), (340, 188612), (488, 131410), (610, 105128), (680, 94306), (773, 82960), (976, 65705), (1037, 61840), (1220, 52564), (1360, 47153), (1546, 41480), (2074, 30920), (2440, 26282), (3092, 20740), (3865, 16592), (4148, 15460), (4880, 13141), (5185, 12368), (6184, 10370), (7730, 8296)]