205116780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{1487}}^1$

素因数の和:1540

約数の個数: 144

約数和(自身を含む): 664957440

約数和(自身を除く): 459840660

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 121, 132, 165, 190, 209, 220, 228, 242, 285, 330, 363, 380, 418, 484, 570, 605, 627, 660, 726, 836, 1045, 1140, 1210, 1254, 1452, 1487, 1815, 2090, 2299, 2420, 2508, 2974, 3135, 3630, 4180, 4461, 4598, 5948, 6270, 6897, 7260, 7435, 8922, 9196, 11495, 12540, 13794, 14870, 16357, 17844, 22305, 22990, 27588, 28253, 29740, 32714, 34485, 44610, 45980, 49071, 56506, 65428, 68970, 81785, 84759, 89220, 98142, 113012, 137940, 141265, 163570, 169518, 179927, 196284, 245355, 282530, 310783, 327140, 339036, 359854, 423795, 490710, 539781, 565060, 621566, 719708, 847590, 899635, 932349, 981420, 1079562, 1243132, 1553915, 1695180, 1799270, 1864698, 2159124, 2698905, 3107830, 3418613, 3598540, 3729396, 4661745, 5397810, 6215660, 6837226, 9323490, 10255839, 10795620, 13674452, 17093065, 18646980, 20511678, 34186130, 41023356, 51279195, 68372260, 102558390, 205116780]

約数ペア:

[(1, 205116780), (2, 102558390), (3, 68372260), (4, 51279195), (5, 41023356), (6, 34186130), (10, 20511678), (11, 18646980), (12, 17093065), (15, 13674452), (19, 10795620), (20, 10255839), (22, 9323490), (30, 6837226), (33, 6215660), (38, 5397810), (44, 4661745), (55, 3729396), (57, 3598540), (60, 3418613), (66, 3107830), (76, 2698905), (95, 2159124), (110, 1864698), (114, 1799270), (121, 1695180), (132, 1553915), (165, 1243132), (190, 1079562), (209, 981420), (220, 932349), (228, 899635), (242, 847590), (285, 719708), (330, 621566), (363, 565060), (380, 539781), (418, 490710), (484, 423795), (570, 359854), (605, 339036), (627, 327140), (660, 310783), (726, 282530), (836, 245355), (1045, 196284), (1140, 179927), (1210, 169518), (1254, 163570), (1452, 141265), (1487, 137940), (1815, 113012), (2090, 98142), (2299, 89220), (2420, 84759), (2508, 81785), (2974, 68970), (3135, 65428), (3630, 56506), (4180, 49071), (4461, 45980), (4598, 44610), (5948, 34485), (6270, 32714), (6897, 29740), (7260, 28253), (7435, 27588), (8922, 22990), (9196, 22305), (11495, 17844), (12540, 16357), (13794, 14870)]