681444960

素因数分解:

$2^5\times 3^1\times 5^1\times 7^3\times {\mathrm{4139}}^1$

素因数の和:4178

約数の個数: 192

約数和(自身を含む): 2503872000

約数和(自身を除く): 1822427040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 343, 392, 420, 480, 490, 560, 588, 672, 686, 735, 784, 840, 980, 1029, 1120, 1176, 1372, 1470, 1568, 1680, 1715, 1960, 2058, 2352, 2744, 2940, 3360, 3430, 3920, 4116, 4139, 4704, 5145, 5488, 5880, 6860, 7840, 8232, 8278, 10290, 10976, 11760, 12417, 13720, 16464, 16556, 20580, 20695, 23520, 24834, 27440, 28973, 32928, 33112, 41160, 41390, 49668, 54880, 57946, 62085, 66224, 82320, 82780, 86919, 99336, 115892, 124170, 132448, 144865, 164640, 165560, 173838, 198672, 202811, 231784, 248340, 289730, 331120, 347676, 397344, 405622, 434595, 463568, 496680, 579460, 608433, 662240, 695352, 811244, 869190, 927136, 993360, 1014055, 1158920, 1216866, 1390704, 1419677, 1622488, 1738380, 1986720, 2028110, 2317840, 2433732, 2781408, 2839354, 3042165, 3244976, 3476760, 4056220, 4259031, 4635680, 4867464, 5678708, 6084330, 6489952, 6953520, 7098385, 8112440, 8518062, 9734928, 11357416, 12168660, 13907040, 14196770, 16224880, 17036124, 19469856, 21295155, 22714832, 24337320, 28393540, 32449760, 34072248, 42590310, 45429664, 48674640, 56787080, 68144496, 85180620, 97349280, 113574160, 136288992, 170361240, 227148320, 340722480, 681444960]

約数ペア:

[(1, 681444960), (2, 340722480), (3, 227148320), (4, 170361240), (5, 136288992), (6, 113574160), (7, 97349280), (8, 85180620), (10, 68144496), (12, 56787080), (14, 48674640), (15, 45429664), (16, 42590310), (20, 34072248), (21, 32449760), (24, 28393540), (28, 24337320), (30, 22714832), (32, 21295155), (35, 19469856), (40, 17036124), (42, 16224880), (48, 14196770), (49, 13907040), (56, 12168660), (60, 11357416), (70, 9734928), (80, 8518062), (84, 8112440), (96, 7098385), (98, 6953520), (105, 6489952), (112, 6084330), (120, 5678708), (140, 4867464), (147, 4635680), (160, 4259031), (168, 4056220), (196, 3476760), (210, 3244976), (224, 3042165), (240, 2839354), (245, 2781408), (280, 2433732), (294, 2317840), (336, 2028110), (343, 1986720), (392, 1738380), (420, 1622488), (480, 1419677), (490, 1390704), (560, 1216866), (588, 1158920), (672, 1014055), (686, 993360), (735, 927136), (784, 869190), (840, 811244), (980, 695352), (1029, 662240), (1120, 608433), (1176, 579460), (1372, 496680), (1470, 463568), (1568, 434595), (1680, 405622), (1715, 397344), (1960, 347676), (2058, 331120), (2352, 289730), (2744, 248340), (2940, 231784), (3360, 202811), (3430, 198672), (3920, 173838), (4116, 165560), (4139, 164640), (4704, 144865), (5145, 132448), (5488, 124170), (5880, 115892), (6860, 99336), (7840, 86919), (8232, 82780), (8278, 82320), (10290, 66224), (10976, 62085), (11760, 57946), (12417, 54880), (13720, 49668), (16464, 41390), (16556, 41160), (20580, 33112), (20695, 32928), (23520, 28973), (24834, 27440)]