128538900

素因数分解:

$2^2\times 3^4\times 5^2\times 7^1\times {\mathrm{2267}}^1$

素因数の和:2300

約数の個数: 180

約数和(自身を含む): 476407008

約数和(自身を除く): 347868108

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 63, 70, 75, 81, 84, 90, 100, 105, 108, 126, 135, 140, 150, 162, 175, 180, 189, 210, 225, 252, 270, 300, 315, 324, 350, 378, 405, 420, 450, 525, 540, 567, 630, 675, 700, 756, 810, 900, 945, 1050, 1134, 1260, 1350, 1575, 1620, 1890, 2025, 2100, 2267, 2268, 2700, 2835, 3150, 3780, 4050, 4534, 4725, 5670, 6300, 6801, 8100, 9068, 9450, 11335, 11340, 13602, 14175, 15869, 18900, 20403, 22670, 27204, 28350, 31738, 34005, 40806, 45340, 47607, 56675, 56700, 61209, 63476, 68010, 79345, 81612, 95214, 102015, 113350, 122418, 136020, 142821, 158690, 170025, 183627, 190428, 204030, 226700, 238035, 244836, 285642, 306045, 317380, 340050, 367254, 396725, 408060, 428463, 476070, 510075, 571284, 612090, 680100, 714105, 734508, 793450, 856926, 918135, 952140, 1020150, 1190175, 1224180, 1285389, 1428210, 1530225, 1586900, 1713852, 1836270, 2040300, 2142315, 2380350, 2570778, 2856420, 3060450, 3570525, 3672540, 4284630, 4590675, 4760700, 5141556, 6120900, 6426945, 7141050, 8569260, 9181350, 10711575, 12853890, 14282100, 18362700, 21423150, 25707780, 32134725, 42846300, 64269450, 128538900]

約数ペア:

[(1, 128538900), (2, 64269450), (3, 42846300), (4, 32134725), (5, 25707780), (6, 21423150), (7, 18362700), (9, 14282100), (10, 12853890), (12, 10711575), (14, 9181350), (15, 8569260), (18, 7141050), (20, 6426945), (21, 6120900), (25, 5141556), (27, 4760700), (28, 4590675), (30, 4284630), (35, 3672540), (36, 3570525), (42, 3060450), (45, 2856420), (50, 2570778), (54, 2380350), (60, 2142315), (63, 2040300), (70, 1836270), (75, 1713852), (81, 1586900), (84, 1530225), (90, 1428210), (100, 1285389), (105, 1224180), (108, 1190175), (126, 1020150), (135, 952140), (140, 918135), (150, 856926), (162, 793450), (175, 734508), (180, 714105), (189, 680100), (210, 612090), (225, 571284), (252, 510075), (270, 476070), (300, 428463), (315, 408060), (324, 396725), (350, 367254), (378, 340050), (405, 317380), (420, 306045), (450, 285642), (525, 244836), (540, 238035), (567, 226700), (630, 204030), (675, 190428), (700, 183627), (756, 170025), (810, 158690), (900, 142821), (945, 136020), (1050, 122418), (1134, 113350), (1260, 102015), (1350, 95214), (1575, 81612), (1620, 79345), (1890, 68010), (2025, 63476), (2100, 61209), (2267, 56700), (2268, 56675), (2700, 47607), (2835, 45340), (3150, 40806), (3780, 34005), (4050, 31738), (4534, 28350), (4725, 27204), (5670, 22670), (6300, 20403), (6801, 18900), (8100, 15869), (9068, 14175), (9450, 13602), (11335, 11340)]