128420640

素因数分解:

$2^5\times 3^7\times 5^1\times {\mathrm{367}}^1$

素因数の和:403

約数の個数: 192

約数和(自身を含む): 456261120

約数和(自身を除く): 327840480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 367, 405, 432, 480, 486, 540, 648, 720, 729, 734, 810, 864, 972, 1080, 1101, 1215, 1296, 1440, 1458, 1468, 1620, 1835, 1944, 2160, 2187, 2202, 2430, 2592, 2916, 2936, 3240, 3303, 3645, 3670, 3888, 4320, 4374, 4404, 4860, 5505, 5832, 5872, 6480, 6606, 7290, 7340, 7776, 8748, 8808, 9720, 9909, 10935, 11010, 11664, 11744, 12960, 13212, 14580, 14680, 16515, 17496, 17616, 19440, 19818, 21870, 22020, 23328, 26424, 29160, 29360, 29727, 33030, 34992, 35232, 38880, 39636, 43740, 44040, 49545, 52848, 58320, 58720, 59454, 66060, 69984, 79272, 87480, 88080, 89181, 99090, 105696, 116640, 118908, 132120, 148635, 158544, 174960, 176160, 178362, 198180, 237816, 264240, 267543, 297270, 317088, 349920, 356724, 396360, 445905, 475632, 528480, 535086, 594540, 713448, 792720, 802629, 891810, 951264, 1070172, 1189080, 1337715, 1426896, 1585440, 1605258, 1783620, 2140344, 2378160, 2675430, 2853792, 3210516, 3567240, 4013145, 4280688, 4756320, 5350860, 6421032, 7134480, 8026290, 8561376, 10701720, 12842064, 14268960, 16052580, 21403440, 25684128, 32105160, 42806880, 64210320, 128420640]

約数ペア:

[(1, 128420640), (2, 64210320), (3, 42806880), (4, 32105160), (5, 25684128), (6, 21403440), (8, 16052580), (9, 14268960), (10, 12842064), (12, 10701720), (15, 8561376), (16, 8026290), (18, 7134480), (20, 6421032), (24, 5350860), (27, 4756320), (30, 4280688), (32, 4013145), (36, 3567240), (40, 3210516), (45, 2853792), (48, 2675430), (54, 2378160), (60, 2140344), (72, 1783620), (80, 1605258), (81, 1585440), (90, 1426896), (96, 1337715), (108, 1189080), (120, 1070172), (135, 951264), (144, 891810), (160, 802629), (162, 792720), (180, 713448), (216, 594540), (240, 535086), (243, 528480), (270, 475632), (288, 445905), (324, 396360), (360, 356724), (367, 349920), (405, 317088), (432, 297270), (480, 267543), (486, 264240), (540, 237816), (648, 198180), (720, 178362), (729, 176160), (734, 174960), (810, 158544), (864, 148635), (972, 132120), (1080, 118908), (1101, 116640), (1215, 105696), (1296, 99090), (1440, 89181), (1458, 88080), (1468, 87480), (1620, 79272), (1835, 69984), (1944, 66060), (2160, 59454), (2187, 58720), (2202, 58320), (2430, 52848), (2592, 49545), (2916, 44040), (2936, 43740), (3240, 39636), (3303, 38880), (3645, 35232), (3670, 34992), (3888, 33030), (4320, 29727), (4374, 29360), (4404, 29160), (4860, 26424), (5505, 23328), (5832, 22020), (5872, 21870), (6480, 19818), (6606, 19440), (7290, 17616), (7340, 17496), (7776, 16515), (8748, 14680), (8808, 14580), (9720, 13212), (9909, 12960), (10935, 11744), (11010, 11664)]