65777580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1$

素因数の和:404

約数の個数: 144

約数和(自身を含む): 220147200

約数和(自身を除く): 154369620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 139, 165, 180, 198, 220, 239, 278, 330, 396, 417, 478, 495, 556, 660, 695, 717, 834, 956, 990, 1195, 1251, 1390, 1434, 1529, 1668, 1980, 2085, 2151, 2390, 2502, 2629, 2780, 2868, 3058, 3585, 4170, 4302, 4587, 4780, 5004, 5258, 6116, 6255, 7170, 7645, 7887, 8340, 8604, 9174, 10516, 10755, 12510, 13145, 13761, 14340, 15290, 15774, 18348, 21510, 22935, 23661, 25020, 26290, 27522, 30580, 31548, 33221, 39435, 43020, 45870, 47322, 52580, 55044, 66442, 68805, 78870, 91740, 94644, 99663, 118305, 132884, 137610, 157740, 166105, 199326, 236610, 275220, 298989, 332210, 365431, 398652, 473220, 498315, 597978, 664420, 730862, 996630, 1096293, 1195956, 1461724, 1494945, 1827155, 1993260, 2192586, 2989890, 3288879, 3654310, 4385172, 5481465, 5979780, 6577758, 7308620, 10962930, 13155516, 16444395, 21925860, 32888790, 65777580]

約数ペア:

[(1, 65777580), (2, 32888790), (3, 21925860), (4, 16444395), (5, 13155516), (6, 10962930), (9, 7308620), (10, 6577758), (11, 5979780), (12, 5481465), (15, 4385172), (18, 3654310), (20, 3288879), (22, 2989890), (30, 2192586), (33, 1993260), (36, 1827155), (44, 1494945), (45, 1461724), (55, 1195956), (60, 1096293), (66, 996630), (90, 730862), (99, 664420), (110, 597978), (132, 498315), (139, 473220), (165, 398652), (180, 365431), (198, 332210), (220, 298989), (239, 275220), (278, 236610), (330, 199326), (396, 166105), (417, 157740), (478, 137610), (495, 132884), (556, 118305), (660, 99663), (695, 94644), (717, 91740), (834, 78870), (956, 68805), (990, 66442), (1195, 55044), (1251, 52580), (1390, 47322), (1434, 45870), (1529, 43020), (1668, 39435), (1980, 33221), (2085, 31548), (2151, 30580), (2390, 27522), (2502, 26290), (2629, 25020), (2780, 23661), (2868, 22935), (3058, 21510), (3585, 18348), (4170, 15774), (4302, 15290), (4587, 14340), (4780, 13761), (5004, 13145), (5258, 12510), (6116, 10755), (6255, 10516), (7170, 9174), (7645, 8604), (7887, 8340)]