280093060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{59}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 700660800

約数和(自身を除く): 420567740

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 31, 38, 52, 59, 62, 65, 76, 95, 118, 124, 130, 155, 190, 236, 247, 260, 295, 310, 380, 403, 494, 589, 590, 620, 767, 806, 961, 988, 1121, 1178, 1180, 1235, 1534, 1612, 1829, 1922, 2015, 2242, 2356, 2470, 2945, 3068, 3658, 3835, 3844, 4030, 4484, 4805, 4940, 5605, 5890, 7316, 7657, 7670, 8060, 9145, 9610, 11210, 11780, 12493, 14573, 15314, 15340, 18259, 18290, 19220, 22420, 23777, 24986, 29146, 30628, 34751, 36518, 36580, 38285, 47554, 49972, 56699, 58292, 62465, 69502, 72865, 73036, 76570, 91295, 95108, 113398, 118885, 124930, 139004, 145730, 153140, 173755, 182590, 226796, 237367, 237770, 249860, 283495, 291460, 347510, 365180, 451763, 474734, 475540, 566990, 695020, 737087, 903526, 949468, 1077281, 1133980, 1186835, 1474174, 1807052, 2154562, 2258815, 2373670, 2948348, 3685435, 4309124, 4517630, 4747340, 5386405, 7370870, 9035260, 10772810, 14004653, 14741740, 21545620, 28009306, 56018612, 70023265, 140046530, 280093060]

約数ペア:

[(1, 280093060), (2, 140046530), (4, 70023265), (5, 56018612), (10, 28009306), (13, 21545620), (19, 14741740), (20, 14004653), (26, 10772810), (31, 9035260), (38, 7370870), (52, 5386405), (59, 4747340), (62, 4517630), (65, 4309124), (76, 3685435), (95, 2948348), (118, 2373670), (124, 2258815), (130, 2154562), (155, 1807052), (190, 1474174), (236, 1186835), (247, 1133980), (260, 1077281), (295, 949468), (310, 903526), (380, 737087), (403, 695020), (494, 566990), (589, 475540), (590, 474734), (620, 451763), (767, 365180), (806, 347510), (961, 291460), (988, 283495), (1121, 249860), (1178, 237770), (1180, 237367), (1235, 226796), (1534, 182590), (1612, 173755), (1829, 153140), (1922, 145730), (2015, 139004), (2242, 124930), (2356, 118885), (2470, 113398), (2945, 95108), (3068, 91295), (3658, 76570), (3835, 73036), (3844, 72865), (4030, 69502), (4484, 62465), (4805, 58292), (4940, 56699), (5605, 49972), (5890, 47554), (7316, 38285), (7657, 36580), (7670, 36518), (8060, 34751), (9145, 30628), (9610, 29146), (11210, 24986), (11780, 23777), (12493, 22420), (14573, 19220), (15314, 18290), (15340, 18259)]