81182820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:178

約数の個数: 192

約数和(自身を含む): 261273600

約数和(自身を除く): 180090780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 59, 60, 68, 71, 76, 85, 95, 102, 114, 118, 142, 170, 177, 190, 204, 213, 228, 236, 255, 284, 285, 295, 323, 340, 354, 355, 380, 426, 510, 570, 590, 646, 708, 710, 852, 885, 969, 1003, 1020, 1065, 1121, 1140, 1180, 1207, 1292, 1349, 1420, 1615, 1770, 1938, 2006, 2130, 2242, 2414, 2698, 3009, 3230, 3363, 3540, 3621, 3876, 4012, 4047, 4189, 4260, 4484, 4828, 4845, 5015, 5396, 5605, 6018, 6035, 6460, 6726, 6745, 7242, 8094, 8378, 9690, 10030, 11210, 12036, 12070, 12567, 13452, 13490, 14484, 15045, 16188, 16756, 16815, 18105, 19057, 19380, 20060, 20235, 20945, 22420, 22933, 24140, 25134, 26980, 30090, 33630, 36210, 38114, 40470, 41890, 45866, 50268, 57171, 60180, 62835, 67260, 68799, 71213, 72420, 76228, 79591, 80940, 83780, 91732, 95285, 114342, 114665, 125670, 137598, 142426, 159182, 190570, 213639, 228684, 229330, 238773, 251340, 275196, 284852, 285855, 318364, 343995, 356065, 381140, 397955, 427278, 458660, 477546, 571710, 687990, 712130, 795910, 854556, 955092, 1068195, 1143420, 1193865, 1353047, 1375980, 1424260, 1591820, 2136390, 2387730, 2706094, 4059141, 4272780, 4775460, 5412188, 6765235, 8118282, 13530470, 16236564, 20295705, 27060940, 40591410, 81182820]

約数ペア:

[(1, 81182820), (2, 40591410), (3, 27060940), (4, 20295705), (5, 16236564), (6, 13530470), (10, 8118282), (12, 6765235), (15, 5412188), (17, 4775460), (19, 4272780), (20, 4059141), (30, 2706094), (34, 2387730), (38, 2136390), (51, 1591820), (57, 1424260), (59, 1375980), (60, 1353047), (68, 1193865), (71, 1143420), (76, 1068195), (85, 955092), (95, 854556), (102, 795910), (114, 712130), (118, 687990), (142, 571710), (170, 477546), (177, 458660), (190, 427278), (204, 397955), (213, 381140), (228, 356065), (236, 343995), (255, 318364), (284, 285855), (285, 284852), (295, 275196), (323, 251340), (340, 238773), (354, 229330), (355, 228684), (380, 213639), (426, 190570), (510, 159182), (570, 142426), (590, 137598), (646, 125670), (708, 114665), (710, 114342), (852, 95285), (885, 91732), (969, 83780), (1003, 80940), (1020, 79591), (1065, 76228), (1121, 72420), (1140, 71213), (1180, 68799), (1207, 67260), (1292, 62835), (1349, 60180), (1420, 57171), (1615, 50268), (1770, 45866), (1938, 41890), (2006, 40470), (2130, 38114), (2242, 36210), (2414, 33630), (2698, 30090), (3009, 26980), (3230, 25134), (3363, 24140), (3540, 22933), (3621, 22420), (3876, 20945), (4012, 20235), (4047, 20060), (4189, 19380), (4260, 19057), (4484, 18105), (4828, 16815), (4845, 16756), (5015, 16188), (5396, 15045), (5605, 14484), (6018, 13490), (6035, 13452), (6460, 12567), (6726, 12070), (6745, 12036), (7242, 11210), (8094, 10030), (8378, 9690)]