128230960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1019}}^1$

素因数の和:1067

約数の個数: 120

約数和(自身を含む): 353258640

約数和(自身を除く): 225027680

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 121, 130, 143, 176, 208, 220, 242, 260, 286, 440, 484, 520, 572, 605, 715, 880, 968, 1019, 1040, 1144, 1210, 1430, 1573, 1936, 2038, 2288, 2420, 2860, 3146, 4076, 4840, 5095, 5720, 6292, 7865, 8152, 9680, 10190, 11209, 11440, 12584, 13247, 15730, 16304, 20380, 22418, 25168, 26494, 31460, 40760, 44836, 52988, 56045, 62920, 66235, 81520, 89672, 105976, 112090, 123299, 125840, 132470, 145717, 179344, 211952, 224180, 246598, 264940, 291434, 448360, 493196, 529880, 582868, 616495, 728585, 896720, 986392, 1059760, 1165736, 1232990, 1457170, 1602887, 1972784, 2331472, 2465980, 2914340, 3205774, 4931960, 5828680, 6411548, 8014435, 9863920, 11657360, 12823096, 16028870, 25646192, 32057740, 64115480, 128230960]

約数ペア:

[(1, 128230960), (2, 64115480), (4, 32057740), (5, 25646192), (8, 16028870), (10, 12823096), (11, 11657360), (13, 9863920), (16, 8014435), (20, 6411548), (22, 5828680), (26, 4931960), (40, 3205774), (44, 2914340), (52, 2465980), (55, 2331472), (65, 1972784), (80, 1602887), (88, 1457170), (104, 1232990), (110, 1165736), (121, 1059760), (130, 986392), (143, 896720), (176, 728585), (208, 616495), (220, 582868), (242, 529880), (260, 493196), (286, 448360), (440, 291434), (484, 264940), (520, 246598), (572, 224180), (605, 211952), (715, 179344), (880, 145717), (968, 132470), (1019, 125840), (1040, 123299), (1144, 112090), (1210, 105976), (1430, 89672), (1573, 81520), (1936, 66235), (2038, 62920), (2288, 56045), (2420, 52988), (2860, 44836), (3146, 40760), (4076, 31460), (4840, 26494), (5095, 25168), (5720, 22418), (6292, 20380), (7865, 16304), (8152, 15730), (9680, 13247), (10190, 12584), (11209, 11440)]