641967120

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{33023}}^1$

素因数の和:33051

約数の個数: 120

約数和(自身を含む): 2235856896

約数和(自身を除く): 1593889776

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 486, 540, 648, 720, 810, 972, 1080, 1215, 1296, 1620, 1944, 2160, 2430, 3240, 3888, 4860, 6480, 9720, 19440, 33023, 66046, 99069, 132092, 165115, 198138, 264184, 297207, 330230, 396276, 495345, 528368, 594414, 660460, 792552, 891621, 990690, 1188828, 1320920, 1486035, 1585104, 1783242, 1981380, 2377656, 2641840, 2674863, 2972070, 3566484, 3962760, 4458105, 4755312, 5349726, 5944140, 7132968, 7925520, 8024589, 8916210, 10699452, 11888280, 13374315, 14265936, 16049178, 17832420, 21398904, 23776560, 26748630, 32098356, 35664840, 40122945, 42797808, 53497260, 64196712, 71329680, 80245890, 106994520, 128393424, 160491780, 213989040, 320983560, 641967120]

約数ペア:

[(1, 641967120), (2, 320983560), (3, 213989040), (4, 160491780), (5, 128393424), (6, 106994520), (8, 80245890), (9, 71329680), (10, 64196712), (12, 53497260), (15, 42797808), (16, 40122945), (18, 35664840), (20, 32098356), (24, 26748630), (27, 23776560), (30, 21398904), (36, 17832420), (40, 16049178), (45, 14265936), (48, 13374315), (54, 11888280), (60, 10699452), (72, 8916210), (80, 8024589), (81, 7925520), (90, 7132968), (108, 5944140), (120, 5349726), (135, 4755312), (144, 4458105), (162, 3962760), (180, 3566484), (216, 2972070), (240, 2674863), (243, 2641840), (270, 2377656), (324, 1981380), (360, 1783242), (405, 1585104), (432, 1486035), (486, 1320920), (540, 1188828), (648, 990690), (720, 891621), (810, 792552), (972, 660460), (1080, 594414), (1215, 528368), (1296, 495345), (1620, 396276), (1944, 330230), (2160, 297207), (2430, 264184), (3240, 198138), (3888, 165115), (4860, 132092), (6480, 99069), (9720, 66046), (19440, 33023)]