400398120

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2143}}^1$

素因数の和:2336

約数の個数: 128

約数和(自身を含む): 1343001600

約数和(自身を除く): 942603480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 173, 180, 216, 270, 346, 360, 519, 540, 692, 865, 1038, 1080, 1384, 1557, 1730, 2076, 2143, 2595, 3114, 3460, 4152, 4286, 4671, 5190, 6228, 6429, 6920, 7785, 8572, 9342, 10380, 10715, 12456, 12858, 15570, 17144, 18684, 19287, 20760, 21430, 23355, 25716, 31140, 32145, 37368, 38574, 42860, 46710, 51432, 57861, 62280, 64290, 77148, 85720, 93420, 96435, 115722, 128580, 154296, 186840, 192870, 231444, 257160, 289305, 370739, 385740, 462888, 578610, 741478, 771480, 1112217, 1157220, 1482956, 1853695, 2224434, 2314440, 2965912, 3336651, 3707390, 4448868, 5561085, 6673302, 7414780, 8897736, 10009953, 11122170, 13346604, 14829560, 16683255, 20019906, 22244340, 26693208, 33366510, 40039812, 44488680, 50049765, 66733020, 80079624, 100099530, 133466040, 200199060, 400398120]

約数ペア:

[(1, 400398120), (2, 200199060), (3, 133466040), (4, 100099530), (5, 80079624), (6, 66733020), (8, 50049765), (9, 44488680), (10, 40039812), (12, 33366510), (15, 26693208), (18, 22244340), (20, 20019906), (24, 16683255), (27, 14829560), (30, 13346604), (36, 11122170), (40, 10009953), (45, 8897736), (54, 7414780), (60, 6673302), (72, 5561085), (90, 4448868), (108, 3707390), (120, 3336651), (135, 2965912), (173, 2314440), (180, 2224434), (216, 1853695), (270, 1482956), (346, 1157220), (360, 1112217), (519, 771480), (540, 741478), (692, 578610), (865, 462888), (1038, 385740), (1080, 370739), (1384, 289305), (1557, 257160), (1730, 231444), (2076, 192870), (2143, 186840), (2595, 154296), (3114, 128580), (3460, 115722), (4152, 96435), (4286, 93420), (4671, 85720), (5190, 77148), (6228, 64290), (6429, 62280), (6920, 57861), (7785, 51432), (8572, 46710), (9342, 42860), (10380, 38574), (10715, 37368), (12456, 32145), (12858, 31140), (15570, 25716), (17144, 23355), (18684, 21430), (19287, 20760)]