678640620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{709}}^1$

素因数の和:824

約数の個数: 192

約数和(自身を含む): 2267274240

約数和(自身を除く): 1588633620

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 43, 53, 60, 70, 84, 86, 105, 106, 129, 140, 159, 172, 210, 212, 215, 258, 265, 301, 318, 371, 420, 430, 516, 530, 602, 636, 645, 709, 742, 795, 860, 903, 1060, 1113, 1204, 1290, 1418, 1484, 1505, 1590, 1806, 1855, 2127, 2226, 2279, 2580, 2836, 3010, 3180, 3545, 3612, 3710, 4254, 4452, 4515, 4558, 4963, 5565, 6020, 6837, 7090, 7420, 8508, 9030, 9116, 9926, 10635, 11130, 11395, 13674, 14180, 14889, 15953, 18060, 19852, 21270, 22260, 22790, 24815, 27348, 29778, 30487, 31906, 34185, 37577, 42540, 45580, 47859, 49630, 59556, 60974, 63812, 68370, 74445, 75154, 79765, 91461, 95718, 99260, 112731, 121948, 136740, 148890, 150308, 152435, 159530, 182922, 187885, 191436, 213409, 225462, 239295, 263039, 297780, 304870, 319060, 365844, 375770, 426818, 450924, 457305, 478590, 526078, 563655, 609740, 640227, 751540, 789117, 853636, 914610, 957180, 1052156, 1067045, 1127310, 1280454, 1315195, 1578234, 1615811, 1829220, 2134090, 2254620, 2560908, 2630390, 3156468, 3201135, 3231622, 3945585, 4268180, 4847433, 5260780, 6402270, 6463244, 7891170, 8079055, 9694866, 11310677, 12804540, 15782340, 16158110, 19389732, 22621354, 24237165, 32316220, 33932031, 45242708, 48474330, 56553385, 67864062, 96948660, 113106770, 135728124, 169660155, 226213540, 339320310, 678640620]

約数ペア:

[(1, 678640620), (2, 339320310), (3, 226213540), (4, 169660155), (5, 135728124), (6, 113106770), (7, 96948660), (10, 67864062), (12, 56553385), (14, 48474330), (15, 45242708), (20, 33932031), (21, 32316220), (28, 24237165), (30, 22621354), (35, 19389732), (42, 16158110), (43, 15782340), (53, 12804540), (60, 11310677), (70, 9694866), (84, 8079055), (86, 7891170), (105, 6463244), (106, 6402270), (129, 5260780), (140, 4847433), (159, 4268180), (172, 3945585), (210, 3231622), (212, 3201135), (215, 3156468), (258, 2630390), (265, 2560908), (301, 2254620), (318, 2134090), (371, 1829220), (420, 1615811), (430, 1578234), (516, 1315195), (530, 1280454), (602, 1127310), (636, 1067045), (645, 1052156), (709, 957180), (742, 914610), (795, 853636), (860, 789117), (903, 751540), (1060, 640227), (1113, 609740), (1204, 563655), (1290, 526078), (1418, 478590), (1484, 457305), (1505, 450924), (1590, 426818), (1806, 375770), (1855, 365844), (2127, 319060), (2226, 304870), (2279, 297780), (2580, 263039), (2836, 239295), (3010, 225462), (3180, 213409), (3545, 191436), (3612, 187885), (3710, 182922), (4254, 159530), (4452, 152435), (4515, 150308), (4558, 148890), (4963, 136740), (5565, 121948), (6020, 112731), (6837, 99260), (7090, 95718), (7420, 91461), (8508, 79765), (9030, 75154), (9116, 74445), (9926, 68370), (10635, 63812), (11130, 60974), (11395, 59556), (13674, 49630), (14180, 47859), (14889, 45580), (15953, 42540), (18060, 37577), (19852, 34185), (21270, 31906), (22260, 30487), (22790, 29778), (24815, 27348)]