18155970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:229

約数の個数: 144

約数和(自身を含む): 57620160

約数和(自身を除く): 39464190

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 49, 63, 69, 70, 90, 98, 105, 115, 126, 138, 147, 161, 179, 207, 210, 230, 245, 294, 315, 322, 345, 358, 414, 441, 483, 490, 537, 630, 690, 735, 805, 882, 895, 966, 1035, 1074, 1127, 1253, 1449, 1470, 1610, 1611, 1790, 2070, 2205, 2254, 2415, 2506, 2685, 2898, 3222, 3381, 3759, 4117, 4410, 4830, 5370, 5635, 6265, 6762, 7245, 7518, 8055, 8234, 8771, 10143, 11270, 11277, 12351, 12530, 14490, 16110, 16905, 17542, 18795, 20286, 20585, 22554, 24702, 26313, 28819, 33810, 37053, 37590, 41170, 43855, 50715, 52626, 56385, 57638, 61755, 74106, 78939, 86457, 87710, 101430, 112770, 123510, 131565, 144095, 157878, 172914, 185265, 201733, 259371, 263130, 288190, 370530, 394695, 403466, 432285, 518742, 605199, 789390, 864570, 1008665, 1210398, 1296855, 1815597, 2017330, 2593710, 3025995, 3631194, 6051990, 9077985, 18155970]

約数ペア:

[(1, 18155970), (2, 9077985), (3, 6051990), (5, 3631194), (6, 3025995), (7, 2593710), (9, 2017330), (10, 1815597), (14, 1296855), (15, 1210398), (18, 1008665), (21, 864570), (23, 789390), (30, 605199), (35, 518742), (42, 432285), (45, 403466), (46, 394695), (49, 370530), (63, 288190), (69, 263130), (70, 259371), (90, 201733), (98, 185265), (105, 172914), (115, 157878), (126, 144095), (138, 131565), (147, 123510), (161, 112770), (179, 101430), (207, 87710), (210, 86457), (230, 78939), (245, 74106), (294, 61755), (315, 57638), (322, 56385), (345, 52626), (358, 50715), (414, 43855), (441, 41170), (483, 37590), (490, 37053), (537, 33810), (630, 28819), (690, 26313), (735, 24702), (805, 22554), (882, 20585), (895, 20286), (966, 18795), (1035, 17542), (1074, 16905), (1127, 16110), (1253, 14490), (1449, 12530), (1470, 12351), (1610, 11277), (1611, 11270), (1790, 10143), (2070, 8771), (2205, 8234), (2254, 8055), (2415, 7518), (2506, 7245), (2685, 6762), (2898, 6265), (3222, 5635), (3381, 5370), (3759, 4830), (4117, 4410)]