278665530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3821}}^1$

素因数の和:3872

約数の個数: 128

約数和(自身を含む): 832156416

約数和(自身を除く): 553490886

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 17, 22, 26, 30, 33, 34, 39, 51, 55, 65, 66, 78, 85, 102, 110, 130, 143, 165, 170, 187, 195, 221, 255, 286, 330, 374, 390, 429, 442, 510, 561, 663, 715, 858, 935, 1105, 1122, 1326, 1430, 1870, 2145, 2210, 2431, 2805, 3315, 3821, 4290, 4862, 5610, 6630, 7293, 7642, 11463, 12155, 14586, 19105, 22926, 24310, 36465, 38210, 42031, 49673, 57315, 64957, 72930, 84062, 99346, 114630, 126093, 129914, 149019, 194871, 210155, 248365, 252186, 298038, 324785, 389742, 420310, 496730, 546403, 630465, 649570, 714527, 745095, 844441, 974355, 1092806, 1260930, 1429054, 1490190, 1639209, 1688882, 1948710, 2143581, 2533323, 2732015, 3278418, 3572635, 4222205, 4287162, 5066646, 5464030, 7145270, 8196045, 8444410, 9288851, 10717905, 12666615, 16392090, 18577702, 21435810, 25333230, 27866553, 46444255, 55733106, 92888510, 139332765, 278665530]

約数ペア:

[(1, 278665530), (2, 139332765), (3, 92888510), (5, 55733106), (6, 46444255), (10, 27866553), (11, 25333230), (13, 21435810), (15, 18577702), (17, 16392090), (22, 12666615), (26, 10717905), (30, 9288851), (33, 8444410), (34, 8196045), (39, 7145270), (51, 5464030), (55, 5066646), (65, 4287162), (66, 4222205), (78, 3572635), (85, 3278418), (102, 2732015), (110, 2533323), (130, 2143581), (143, 1948710), (165, 1688882), (170, 1639209), (187, 1490190), (195, 1429054), (221, 1260930), (255, 1092806), (286, 974355), (330, 844441), (374, 745095), (390, 714527), (429, 649570), (442, 630465), (510, 546403), (561, 496730), (663, 420310), (715, 389742), (858, 324785), (935, 298038), (1105, 252186), (1122, 248365), (1326, 210155), (1430, 194871), (1870, 149019), (2145, 129914), (2210, 126093), (2431, 114630), (2805, 99346), (3315, 84062), (3821, 72930), (4290, 64957), (4862, 57315), (5610, 49673), (6630, 42031), (7293, 38210), (7642, 36465), (11463, 24310), (12155, 22926), (14586, 19105)]