248964720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:463

約数の個数: 160

約数和(自身を含む): 806615040

約数和(自身を除く): 557650320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 109, 120, 124, 155, 186, 218, 240, 248, 307, 310, 327, 372, 436, 465, 496, 545, 614, 620, 654, 744, 872, 921, 930, 1090, 1228, 1240, 1308, 1488, 1535, 1635, 1744, 1842, 1860, 2180, 2456, 2480, 2616, 3070, 3270, 3379, 3684, 3720, 4360, 4605, 4912, 5232, 6140, 6540, 6758, 7368, 7440, 8720, 9210, 9517, 10137, 12280, 13080, 13516, 14736, 16895, 18420, 19034, 20274, 24560, 26160, 27032, 28551, 33463, 33790, 36840, 38068, 40548, 47585, 50685, 54064, 57102, 66926, 67580, 73680, 76136, 81096, 95170, 100389, 101370, 114204, 133852, 135160, 142755, 152272, 162192, 167315, 190340, 200778, 202740, 228408, 267704, 270320, 285510, 334630, 380680, 401556, 405480, 456816, 501945, 535408, 571020, 669260, 761360, 803112, 810960, 1003890, 1037353, 1142040, 1338520, 1606224, 2007780, 2074706, 2284080, 2677040, 3112059, 4015560, 4149412, 5186765, 6224118, 8031120, 8298824, 10373530, 12448236, 15560295, 16597648, 20747060, 24896472, 31120590, 41494120, 49792944, 62241180, 82988240, 124482360, 248964720]

約数ペア:

[(1, 248964720), (2, 124482360), (3, 82988240), (4, 62241180), (5, 49792944), (6, 41494120), (8, 31120590), (10, 24896472), (12, 20747060), (15, 16597648), (16, 15560295), (20, 12448236), (24, 10373530), (30, 8298824), (31, 8031120), (40, 6224118), (48, 5186765), (60, 4149412), (62, 4015560), (80, 3112059), (93, 2677040), (109, 2284080), (120, 2074706), (124, 2007780), (155, 1606224), (186, 1338520), (218, 1142040), (240, 1037353), (248, 1003890), (307, 810960), (310, 803112), (327, 761360), (372, 669260), (436, 571020), (465, 535408), (496, 501945), (545, 456816), (614, 405480), (620, 401556), (654, 380680), (744, 334630), (872, 285510), (921, 270320), (930, 267704), (1090, 228408), (1228, 202740), (1240, 200778), (1308, 190340), (1488, 167315), (1535, 162192), (1635, 152272), (1744, 142755), (1842, 135160), (1860, 133852), (2180, 114204), (2456, 101370), (2480, 100389), (2616, 95170), (3070, 81096), (3270, 76136), (3379, 73680), (3684, 67580), (3720, 66926), (4360, 57102), (4605, 54064), (4912, 50685), (5232, 47585), (6140, 40548), (6540, 38068), (6758, 36840), (7368, 33790), (7440, 33463), (8720, 28551), (9210, 27032), (9517, 26160), (10137, 24560), (12280, 20274), (13080, 19034), (13516, 18420), (14736, 16895)]