78401280

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1201}}^1$

素因数の和:1242

約数の個数: 144

約数和(自身を含む): 265343904

約数和(自身を除く): 186942624

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 64, 68, 80, 85, 96, 102, 120, 128, 136, 160, 170, 192, 204, 240, 255, 256, 272, 320, 340, 384, 408, 480, 510, 544, 640, 680, 768, 816, 960, 1020, 1088, 1201, 1280, 1360, 1632, 1920, 2040, 2176, 2402, 2720, 3264, 3603, 3840, 4080, 4352, 4804, 5440, 6005, 6528, 7206, 8160, 9608, 10880, 12010, 13056, 14412, 16320, 18015, 19216, 20417, 21760, 24020, 28824, 32640, 36030, 38432, 40834, 48040, 57648, 61251, 65280, 72060, 76864, 81668, 96080, 102085, 115296, 122502, 144120, 153728, 163336, 192160, 204170, 230592, 245004, 288240, 306255, 307456, 326672, 384320, 408340, 461184, 490008, 576480, 612510, 653344, 768640, 816680, 922368, 980016, 1152960, 1225020, 1306688, 1537280, 1633360, 1960032, 2305920, 2450040, 2613376, 3266720, 3920064, 4611840, 4900080, 5226752, 6533440, 7840128, 9800160, 13066880, 15680256, 19600320, 26133760, 39200640, 78401280]

約数ペア:

[(1, 78401280), (2, 39200640), (3, 26133760), (4, 19600320), (5, 15680256), (6, 13066880), (8, 9800160), (10, 7840128), (12, 6533440), (15, 5226752), (16, 4900080), (17, 4611840), (20, 3920064), (24, 3266720), (30, 2613376), (32, 2450040), (34, 2305920), (40, 1960032), (48, 1633360), (51, 1537280), (60, 1306688), (64, 1225020), (68, 1152960), (80, 980016), (85, 922368), (96, 816680), (102, 768640), (120, 653344), (128, 612510), (136, 576480), (160, 490008), (170, 461184), (192, 408340), (204, 384320), (240, 326672), (255, 307456), (256, 306255), (272, 288240), (320, 245004), (340, 230592), (384, 204170), (408, 192160), (480, 163336), (510, 153728), (544, 144120), (640, 122502), (680, 115296), (768, 102085), (816, 96080), (960, 81668), (1020, 76864), (1088, 72060), (1201, 65280), (1280, 61251), (1360, 57648), (1632, 48040), (1920, 40834), (2040, 38432), (2176, 36030), (2402, 32640), (2720, 28824), (3264, 24020), (3603, 21760), (3840, 20417), (4080, 19216), (4352, 18015), (4804, 16320), (5440, 14412), (6005, 13056), (6528, 12010), (7206, 10880), (8160, 9608)]