128780400

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{15331}}^1$

素因数の和:15359

約数の個数: 120

約数和(自身を含む): 471489664

約数和(自身を除く): 342709264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2800, 4200, 8400, 15331, 30662, 45993, 61324, 76655, 91986, 107317, 122648, 153310, 183972, 214634, 229965, 245296, 306620, 321951, 367944, 383275, 429268, 459930, 536585, 613240, 643902, 735888, 766550, 858536, 919860, 1073170, 1149825, 1226480, 1287804, 1533100, 1609755, 1717072, 1839720, 2146340, 2299650, 2575608, 2682925, 3066200, 3219510, 3679440, 4292680, 4599300, 5151216, 5365850, 6132400, 6439020, 8048775, 8585360, 9198600, 10731700, 12878040, 16097550, 18397200, 21463400, 25756080, 32195100, 42926800, 64390200, 128780400]

約数ペア:

[(1, 128780400), (2, 64390200), (3, 42926800), (4, 32195100), (5, 25756080), (6, 21463400), (7, 18397200), (8, 16097550), (10, 12878040), (12, 10731700), (14, 9198600), (15, 8585360), (16, 8048775), (20, 6439020), (21, 6132400), (24, 5365850), (25, 5151216), (28, 4599300), (30, 4292680), (35, 3679440), (40, 3219510), (42, 3066200), (48, 2682925), (50, 2575608), (56, 2299650), (60, 2146340), (70, 1839720), (75, 1717072), (80, 1609755), (84, 1533100), (100, 1287804), (105, 1226480), (112, 1149825), (120, 1073170), (140, 919860), (150, 858536), (168, 766550), (175, 735888), (200, 643902), (210, 613240), (240, 536585), (280, 459930), (300, 429268), (336, 383275), (350, 367944), (400, 321951), (420, 306620), (525, 245296), (560, 229965), (600, 214634), (700, 183972), (840, 153310), (1050, 122648), (1200, 107317), (1400, 91986), (1680, 76655), (2100, 61324), (2800, 45993), (4200, 30662), (8400, 15331)]