721634220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{1129}}^1$

素因数の和:1264

約数の個数: 144

約数和(自身を含む): 2265550560

約数和(自身を除く): 1543916340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 53, 60, 67, 90, 106, 134, 159, 180, 201, 212, 265, 268, 318, 335, 402, 477, 530, 603, 636, 670, 795, 804, 954, 1005, 1060, 1129, 1206, 1340, 1590, 1908, 2010, 2258, 2385, 2412, 3015, 3180, 3387, 3551, 4020, 4516, 4770, 5645, 6030, 6774, 7102, 9540, 10161, 10653, 11290, 12060, 13548, 14204, 16935, 17755, 20322, 21306, 22580, 31959, 33870, 35510, 40644, 42612, 50805, 53265, 59837, 63918, 67740, 71020, 75643, 101610, 106530, 119674, 127836, 151286, 159795, 179511, 203220, 213060, 226929, 239348, 299185, 302572, 319590, 359022, 378215, 453858, 538533, 598370, 639180, 680787, 718044, 756430, 897555, 907716, 1077066, 1134645, 1196740, 1361574, 1512860, 1795110, 2154132, 2269290, 2692665, 2723148, 3403935, 3590220, 4009079, 4538580, 5385330, 6807870, 8018158, 10770660, 12027237, 13615740, 16036316, 20045395, 24054474, 36081711, 40090790, 48108948, 60136185, 72163422, 80181580, 120272370, 144326844, 180408555, 240544740, 360817110, 721634220]

約数ペア:

[(1, 721634220), (2, 360817110), (3, 240544740), (4, 180408555), (5, 144326844), (6, 120272370), (9, 80181580), (10, 72163422), (12, 60136185), (15, 48108948), (18, 40090790), (20, 36081711), (30, 24054474), (36, 20045395), (45, 16036316), (53, 13615740), (60, 12027237), (67, 10770660), (90, 8018158), (106, 6807870), (134, 5385330), (159, 4538580), (180, 4009079), (201, 3590220), (212, 3403935), (265, 2723148), (268, 2692665), (318, 2269290), (335, 2154132), (402, 1795110), (477, 1512860), (530, 1361574), (603, 1196740), (636, 1134645), (670, 1077066), (795, 907716), (804, 897555), (954, 756430), (1005, 718044), (1060, 680787), (1129, 639180), (1206, 598370), (1340, 538533), (1590, 453858), (1908, 378215), (2010, 359022), (2258, 319590), (2385, 302572), (2412, 299185), (3015, 239348), (3180, 226929), (3387, 213060), (3551, 203220), (4020, 179511), (4516, 159795), (4770, 151286), (5645, 127836), (6030, 119674), (6774, 106530), (7102, 101610), (9540, 75643), (10161, 71020), (10653, 67740), (11290, 63918), (12060, 59837), (13548, 53265), (14204, 50805), (16935, 42612), (17755, 40644), (20322, 35510), (21306, 33870), (22580, 31959)]