80710350

素因数分解:

$2^1\times 3^1\times 5^2\times 7^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 144

約数和(自身を含む): 237484800

約数和(自身を除く): 156774450

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 79, 98, 105, 139, 147, 150, 158, 175, 210, 237, 245, 278, 294, 350, 395, 417, 474, 490, 525, 553, 695, 735, 790, 834, 973, 1050, 1106, 1185, 1225, 1390, 1470, 1659, 1946, 1975, 2085, 2370, 2450, 2765, 2919, 3318, 3475, 3675, 3871, 3950, 4170, 4865, 5530, 5838, 5925, 6811, 6950, 7350, 7742, 8295, 9730, 10425, 10981, 11613, 11850, 13622, 13825, 14595, 16590, 19355, 20433, 20850, 21962, 23226, 24325, 27650, 29190, 32943, 34055, 38710, 40866, 41475, 48650, 54905, 58065, 65886, 68110, 72975, 76867, 82950, 96775, 102165, 109810, 116130, 145950, 153734, 164715, 170275, 193550, 204330, 230601, 274525, 290325, 329430, 340550, 384335, 461202, 510825, 538069, 549050, 580650, 768670, 823575, 1021650, 1076138, 1153005, 1614207, 1647150, 1921675, 2306010, 2690345, 3228414, 3843350, 5380690, 5765025, 8071035, 11530050, 13451725, 16142070, 26903450, 40355175, 80710350]

約数ペア:

[(1, 80710350), (2, 40355175), (3, 26903450), (5, 16142070), (6, 13451725), (7, 11530050), (10, 8071035), (14, 5765025), (15, 5380690), (21, 3843350), (25, 3228414), (30, 2690345), (35, 2306010), (42, 1921675), (49, 1647150), (50, 1614207), (70, 1153005), (75, 1076138), (79, 1021650), (98, 823575), (105, 768670), (139, 580650), (147, 549050), (150, 538069), (158, 510825), (175, 461202), (210, 384335), (237, 340550), (245, 329430), (278, 290325), (294, 274525), (350, 230601), (395, 204330), (417, 193550), (474, 170275), (490, 164715), (525, 153734), (553, 145950), (695, 116130), (735, 109810), (790, 102165), (834, 96775), (973, 82950), (1050, 76867), (1106, 72975), (1185, 68110), (1225, 65886), (1390, 58065), (1470, 54905), (1659, 48650), (1946, 41475), (1975, 40866), (2085, 38710), (2370, 34055), (2450, 32943), (2765, 29190), (2919, 27650), (3318, 24325), (3475, 23226), (3675, 21962), (3871, 20850), (3950, 20433), (4170, 19355), (4865, 16590), (5530, 14595), (5838, 13825), (5925, 13622), (6811, 11850), (6950, 11613), (7350, 10981), (7742, 10425), (8295, 9730)]