408005440

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{419}}^1$

素因数の和:632

約数の個数: 112

約数和(自身を含む): 1036929600

約数和(自身を除く): 628924160

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 179, 272, 320, 340, 358, 419, 544, 680, 716, 838, 895, 1088, 1360, 1432, 1676, 1790, 2095, 2720, 2864, 3043, 3352, 3580, 4190, 5440, 5728, 6086, 6704, 7123, 7160, 8380, 11456, 12172, 13408, 14246, 14320, 15215, 16760, 24344, 26816, 28492, 28640, 30430, 33520, 35615, 48688, 56984, 57280, 60860, 67040, 71230, 75001, 97376, 113968, 121720, 134080, 142460, 150002, 194752, 227936, 243440, 284920, 300004, 375005, 455872, 486880, 569840, 600008, 750010, 973760, 1139680, 1200016, 1275017, 1500020, 2279360, 2400032, 2550034, 3000040, 4800064, 5100068, 6000080, 6375085, 10200136, 12000160, 12750170, 20400272, 24000320, 25500340, 40800544, 51000680, 81601088, 102001360, 204002720, 408005440]

約数ペア:

[(1, 408005440), (2, 204002720), (4, 102001360), (5, 81601088), (8, 51000680), (10, 40800544), (16, 25500340), (17, 24000320), (20, 20400272), (32, 12750170), (34, 12000160), (40, 10200136), (64, 6375085), (68, 6000080), (80, 5100068), (85, 4800064), (136, 3000040), (160, 2550034), (170, 2400032), (179, 2279360), (272, 1500020), (320, 1275017), (340, 1200016), (358, 1139680), (419, 973760), (544, 750010), (680, 600008), (716, 569840), (838, 486880), (895, 455872), (1088, 375005), (1360, 300004), (1432, 284920), (1676, 243440), (1790, 227936), (2095, 194752), (2720, 150002), (2864, 142460), (3043, 134080), (3352, 121720), (3580, 113968), (4190, 97376), (5440, 75001), (5728, 71230), (6086, 67040), (6704, 60860), (7123, 57280), (7160, 56984), (8380, 48688), (11456, 35615), (12172, 33520), (13408, 30430), (14246, 28640), (14320, 28492), (15215, 26816), (16760, 24344)]