28882080

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:699

約数の個数: 144

約数和(自身を含む): 101896704

約数和(自身を除く): 73014624

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 647, 720, 744, 930, 992, 1116, 1240, 1294, 1395, 1440, 1488, 1860, 1941, 2232, 2480, 2588, 2790, 2976, 3235, 3720, 3882, 4464, 4960, 5176, 5580, 5823, 6470, 7440, 7764, 8928, 9705, 10352, 11160, 11646, 12940, 14880, 15528, 19410, 20057, 20704, 22320, 23292, 25880, 29115, 31056, 38820, 40114, 44640, 46584, 51760, 58230, 60171, 62112, 77640, 80228, 93168, 100285, 103520, 116460, 120342, 155280, 160456, 180513, 186336, 200570, 232920, 240684, 300855, 310560, 320912, 361026, 401140, 465840, 481368, 601710, 641824, 722052, 802280, 902565, 931680, 962736, 1203420, 1444104, 1604560, 1805130, 1925472, 2406840, 2888208, 3209120, 3610260, 4813680, 5776416, 7220520, 9627360, 14441040, 28882080]

約数ペア:

[(1, 28882080), (2, 14441040), (3, 9627360), (4, 7220520), (5, 5776416), (6, 4813680), (8, 3610260), (9, 3209120), (10, 2888208), (12, 2406840), (15, 1925472), (16, 1805130), (18, 1604560), (20, 1444104), (24, 1203420), (30, 962736), (31, 931680), (32, 902565), (36, 802280), (40, 722052), (45, 641824), (48, 601710), (60, 481368), (62, 465840), (72, 401140), (80, 361026), (90, 320912), (93, 310560), (96, 300855), (120, 240684), (124, 232920), (144, 200570), (155, 186336), (160, 180513), (180, 160456), (186, 155280), (240, 120342), (248, 116460), (279, 103520), (288, 100285), (310, 93168), (360, 80228), (372, 77640), (465, 62112), (480, 60171), (496, 58230), (558, 51760), (620, 46584), (647, 44640), (720, 40114), (744, 38820), (930, 31056), (992, 29115), (1116, 25880), (1240, 23292), (1294, 22320), (1395, 20704), (1440, 20057), (1488, 19410), (1860, 15528), (1941, 14880), (2232, 12940), (2480, 11646), (2588, 11160), (2790, 10352), (2976, 9705), (3235, 8928), (3720, 7764), (3882, 7440), (4464, 6470), (4960, 5823), (5176, 5580)]