78478740

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7649}}^1$

素因数の和:7686

約数の個数: 96

約数和(自身を含む): 257040000

約数和(自身を除く): 178561260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 7649, 10260, 15298, 22947, 30596, 38245, 45894, 68841, 76490, 91788, 114735, 137682, 145331, 152980, 206523, 229470, 275364, 290662, 344205, 413046, 435993, 458940, 581324, 688410, 726655, 826092, 871986, 1032615, 1307979, 1376820, 1453310, 1743972, 2065230, 2179965, 2615958, 2906620, 3923937, 4130460, 4359930, 5231916, 6539895, 7847874, 8719860, 13079790, 15695748, 19619685, 26159580, 39239370, 78478740]

約数ペア:

[(1, 78478740), (2, 39239370), (3, 26159580), (4, 19619685), (5, 15695748), (6, 13079790), (9, 8719860), (10, 7847874), (12, 6539895), (15, 5231916), (18, 4359930), (19, 4130460), (20, 3923937), (27, 2906620), (30, 2615958), (36, 2179965), (38, 2065230), (45, 1743972), (54, 1453310), (57, 1376820), (60, 1307979), (76, 1032615), (90, 871986), (95, 826092), (108, 726655), (114, 688410), (135, 581324), (171, 458940), (180, 435993), (190, 413046), (228, 344205), (270, 290662), (285, 275364), (342, 229470), (380, 206523), (513, 152980), (540, 145331), (570, 137682), (684, 114735), (855, 91788), (1026, 76490), (1140, 68841), (1710, 45894), (2052, 38245), (2565, 30596), (3420, 22947), (5130, 15298), (7649, 10260)]