1981294320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{941}}^1$

素因数の和:1271

約数の個数: 160

約数和(自身を含む): 6369306624

約数和(自身を除く): 4388012304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 283, 310, 372, 465, 496, 566, 620, 744, 849, 930, 941, 1132, 1240, 1415, 1488, 1698, 1860, 1882, 2264, 2480, 2823, 2830, 3396, 3720, 3764, 4245, 4528, 4705, 5646, 5660, 6792, 7440, 7528, 8490, 8773, 9410, 11292, 11320, 13584, 14115, 15056, 16980, 17546, 18820, 22584, 22640, 26319, 28230, 29171, 33960, 35092, 37640, 43865, 45168, 52638, 56460, 58342, 67920, 70184, 75280, 87513, 87730, 105276, 112920, 116684, 131595, 140368, 145855, 175026, 175460, 210552, 225840, 233368, 263190, 266303, 291710, 350052, 350920, 421104, 437565, 466736, 526380, 532606, 583420, 700104, 701840, 798909, 875130, 1052760, 1065212, 1166840, 1331515, 1400208, 1597818, 1750260, 2105520, 2130424, 2333680, 2663030, 3195636, 3500520, 3994545, 4260848, 5326060, 6391272, 7001040, 7989090, 8255393, 10652120, 12782544, 15978180, 16510786, 21304240, 24766179, 31956360, 33021572, 41276965, 49532358, 63912720, 66043144, 82553930, 99064716, 123830895, 132086288, 165107860, 198129432, 247661790, 330215720, 396258864, 495323580, 660431440, 990647160, 1981294320]

約数ペア:

[(1, 1981294320), (2, 990647160), (3, 660431440), (4, 495323580), (5, 396258864), (6, 330215720), (8, 247661790), (10, 198129432), (12, 165107860), (15, 132086288), (16, 123830895), (20, 99064716), (24, 82553930), (30, 66043144), (31, 63912720), (40, 49532358), (48, 41276965), (60, 33021572), (62, 31956360), (80, 24766179), (93, 21304240), (120, 16510786), (124, 15978180), (155, 12782544), (186, 10652120), (240, 8255393), (248, 7989090), (283, 7001040), (310, 6391272), (372, 5326060), (465, 4260848), (496, 3994545), (566, 3500520), (620, 3195636), (744, 2663030), (849, 2333680), (930, 2130424), (941, 2105520), (1132, 1750260), (1240, 1597818), (1415, 1400208), (1488, 1331515), (1698, 1166840), (1860, 1065212), (1882, 1052760), (2264, 875130), (2480, 798909), (2823, 701840), (2830, 700104), (3396, 583420), (3720, 532606), (3764, 526380), (4245, 466736), (4528, 437565), (4705, 421104), (5646, 350920), (5660, 350052), (6792, 291710), (7440, 266303), (7528, 263190), (8490, 233368), (8773, 225840), (9410, 210552), (11292, 175460), (11320, 175026), (13584, 145855), (14115, 140368), (15056, 131595), (16980, 116684), (17546, 112920), (18820, 105276), (22584, 87730), (22640, 87513), (26319, 75280), (28230, 70184), (29171, 67920), (33960, 58342), (35092, 56460), (37640, 52638), (43865, 45168)]