348206720

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:266

約数の個数: 128

約数和(自身を含む): 863654400

約数和(自身を除く): 515447680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 79, 80, 97, 128, 142, 158, 160, 194, 284, 316, 320, 355, 388, 395, 485, 568, 632, 640, 710, 776, 790, 970, 1136, 1264, 1420, 1552, 1580, 1940, 2272, 2528, 2840, 3104, 3160, 3880, 4544, 5056, 5609, 5680, 6208, 6320, 6887, 7663, 7760, 9088, 10112, 11218, 11360, 12416, 12640, 13774, 15326, 15520, 22436, 22720, 25280, 27548, 28045, 30652, 31040, 34435, 38315, 44872, 45440, 50560, 55096, 56090, 61304, 62080, 68870, 76630, 89744, 110192, 112180, 122608, 137740, 153260, 179488, 220384, 224360, 245216, 275480, 306520, 358976, 440768, 448720, 490432, 544073, 550960, 613040, 717952, 881536, 897440, 980864, 1088146, 1101920, 1226080, 1794880, 2176292, 2203840, 2452160, 2720365, 3589760, 4352584, 4407680, 4904320, 5440730, 8705168, 10881460, 17410336, 21762920, 34820672, 43525840, 69641344, 87051680, 174103360, 348206720]

約数ペア:

[(1, 348206720), (2, 174103360), (4, 87051680), (5, 69641344), (8, 43525840), (10, 34820672), (16, 21762920), (20, 17410336), (32, 10881460), (40, 8705168), (64, 5440730), (71, 4904320), (79, 4407680), (80, 4352584), (97, 3589760), (128, 2720365), (142, 2452160), (158, 2203840), (160, 2176292), (194, 1794880), (284, 1226080), (316, 1101920), (320, 1088146), (355, 980864), (388, 897440), (395, 881536), (485, 717952), (568, 613040), (632, 550960), (640, 544073), (710, 490432), (776, 448720), (790, 440768), (970, 358976), (1136, 306520), (1264, 275480), (1420, 245216), (1552, 224360), (1580, 220384), (1940, 179488), (2272, 153260), (2528, 137740), (2840, 122608), (3104, 112180), (3160, 110192), (3880, 89744), (4544, 76630), (5056, 68870), (5609, 62080), (5680, 61304), (6208, 56090), (6320, 55096), (6887, 50560), (7663, 45440), (7760, 44872), (9088, 38315), (10112, 34435), (11218, 31040), (11360, 30652), (12416, 28045), (12640, 27548), (13774, 25280), (15326, 22720), (15520, 22436)]