55940940

素因数分解:

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

素因数の和:1532

約数の個数: 144

約数和(自身を含む): 194987520

約数和(自身を除く): 139046580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 30, 33, 36, 38, 44, 45, 55, 57, 60, 66, 76, 90, 95, 99, 110, 114, 132, 165, 171, 180, 190, 198, 209, 220, 228, 285, 330, 342, 380, 396, 418, 495, 570, 627, 660, 684, 836, 855, 990, 1045, 1140, 1254, 1487, 1710, 1881, 1980, 2090, 2508, 2974, 3135, 3420, 3762, 4180, 4461, 5948, 6270, 7435, 7524, 8922, 9405, 12540, 13383, 14870, 16357, 17844, 18810, 22305, 26766, 28253, 29740, 32714, 37620, 44610, 49071, 53532, 56506, 65428, 66915, 81785, 84759, 89220, 98142, 113012, 133830, 141265, 147213, 163570, 169518, 196284, 245355, 254277, 267660, 282530, 294426, 310783, 327140, 339036, 423795, 490710, 508554, 565060, 588852, 621566, 736065, 847590, 932349, 981420, 1017108, 1243132, 1271385, 1472130, 1553915, 1695180, 1864698, 2542770, 2797047, 2944260, 3107830, 3729396, 4661745, 5085540, 5594094, 6215660, 9323490, 11188188, 13985235, 18646980, 27970470, 55940940]

約数ペア:

[(1, 55940940), (2, 27970470), (3, 18646980), (4, 13985235), (5, 11188188), (6, 9323490), (9, 6215660), (10, 5594094), (11, 5085540), (12, 4661745), (15, 3729396), (18, 3107830), (19, 2944260), (20, 2797047), (22, 2542770), (30, 1864698), (33, 1695180), (36, 1553915), (38, 1472130), (44, 1271385), (45, 1243132), (55, 1017108), (57, 981420), (60, 932349), (66, 847590), (76, 736065), (90, 621566), (95, 588852), (99, 565060), (110, 508554), (114, 490710), (132, 423795), (165, 339036), (171, 327140), (180, 310783), (190, 294426), (198, 282530), (209, 267660), (220, 254277), (228, 245355), (285, 196284), (330, 169518), (342, 163570), (380, 147213), (396, 141265), (418, 133830), (495, 113012), (570, 98142), (627, 89220), (660, 84759), (684, 81785), (836, 66915), (855, 65428), (990, 56506), (1045, 53532), (1140, 49071), (1254, 44610), (1487, 37620), (1710, 32714), (1881, 29740), (1980, 28253), (2090, 26766), (2508, 22305), (2974, 18810), (3135, 17844), (3420, 16357), (3762, 14870), (4180, 13383), (4461, 12540), (5948, 9405), (6270, 8922), (7435, 7524)]