172364960

素因数分解:

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

素因数の和:155

約数の個数: 144

約数和(自身を含む): 450424800

約数和(自身を除く): 278059840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 59, 62, 76, 80, 95, 118, 124, 152, 155, 160, 190, 236, 248, 295, 304, 310, 380, 472, 496, 589, 590, 608, 620, 760, 944, 961, 992, 1121, 1178, 1180, 1240, 1520, 1829, 1888, 1922, 2242, 2356, 2360, 2480, 2945, 3040, 3658, 3844, 4484, 4712, 4720, 4805, 4960, 5605, 5890, 7316, 7688, 8968, 9145, 9424, 9440, 9610, 11210, 11780, 14632, 15376, 17936, 18259, 18290, 18848, 19220, 22420, 23560, 29264, 30752, 34751, 35872, 36518, 36580, 38440, 44840, 47120, 56699, 58528, 69502, 73036, 73160, 76880, 89680, 91295, 94240, 113398, 139004, 146072, 146320, 153760, 173755, 179360, 182590, 226796, 278008, 283495, 292144, 292640, 347510, 365180, 453592, 556016, 566990, 584288, 695020, 730360, 907184, 1077281, 1112032, 1133980, 1390040, 1460720, 1814368, 2154562, 2267960, 2780080, 2921440, 4309124, 4535920, 5386405, 5560160, 8618248, 9071840, 10772810, 17236496, 21545620, 34472992, 43091240, 86182480, 172364960]

約数ペア:

[(1, 172364960), (2, 86182480), (4, 43091240), (5, 34472992), (8, 21545620), (10, 17236496), (16, 10772810), (19, 9071840), (20, 8618248), (31, 5560160), (32, 5386405), (38, 4535920), (40, 4309124), (59, 2921440), (62, 2780080), (76, 2267960), (80, 2154562), (95, 1814368), (118, 1460720), (124, 1390040), (152, 1133980), (155, 1112032), (160, 1077281), (190, 907184), (236, 730360), (248, 695020), (295, 584288), (304, 566990), (310, 556016), (380, 453592), (472, 365180), (496, 347510), (589, 292640), (590, 292144), (608, 283495), (620, 278008), (760, 226796), (944, 182590), (961, 179360), (992, 173755), (1121, 153760), (1178, 146320), (1180, 146072), (1240, 139004), (1520, 113398), (1829, 94240), (1888, 91295), (1922, 89680), (2242, 76880), (2356, 73160), (2360, 73036), (2480, 69502), (2945, 58528), (3040, 56699), (3658, 47120), (3844, 44840), (4484, 38440), (4712, 36580), (4720, 36518), (4805, 35872), (4960, 34751), (5605, 30752), (5890, 29264), (7316, 23560), (7688, 22420), (8968, 19220), (9145, 18848), (9424, 18290), (9440, 18259), (9610, 17936), (11210, 15376), (11780, 14632)]