320631840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11719}}^1$

素因数の和:11759

約数の個数: 144

約数和(自身を含む): 1151841600

約数和(自身を除く): 831209760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2736, 3040, 3420, 4560, 5472, 6840, 9120, 11719, 13680, 23438, 27360, 35157, 46876, 58595, 70314, 93752, 105471, 117190, 140628, 175785, 187504, 210942, 222661, 234380, 281256, 351570, 375008, 421884, 445322, 468760, 527355, 562512, 667983, 703140, 843768, 890644, 937520, 1054710, 1113305, 1125024, 1335966, 1406280, 1687536, 1781288, 1875040, 2003949, 2109420, 2226610, 2671932, 2812560, 3339915, 3375072, 3562576, 4007898, 4218840, 4453220, 5343864, 5625120, 6679830, 7125152, 8015796, 8437680, 8906440, 10019745, 10687728, 13359660, 16031592, 16875360, 17812880, 20039490, 21375456, 26719320, 32063184, 35625760, 40078980, 53438640, 64126368, 80157960, 106877280, 160315920, 320631840]

約数ペア:

[(1, 320631840), (2, 160315920), (3, 106877280), (4, 80157960), (5, 64126368), (6, 53438640), (8, 40078980), (9, 35625760), (10, 32063184), (12, 26719320), (15, 21375456), (16, 20039490), (18, 17812880), (19, 16875360), (20, 16031592), (24, 13359660), (30, 10687728), (32, 10019745), (36, 8906440), (38, 8437680), (40, 8015796), (45, 7125152), (48, 6679830), (57, 5625120), (60, 5343864), (72, 4453220), (76, 4218840), (80, 4007898), (90, 3562576), (95, 3375072), (96, 3339915), (114, 2812560), (120, 2671932), (144, 2226610), (152, 2109420), (160, 2003949), (171, 1875040), (180, 1781288), (190, 1687536), (228, 1406280), (240, 1335966), (285, 1125024), (288, 1113305), (304, 1054710), (342, 937520), (360, 890644), (380, 843768), (456, 703140), (480, 667983), (570, 562512), (608, 527355), (684, 468760), (720, 445322), (760, 421884), (855, 375008), (912, 351570), (1140, 281256), (1368, 234380), (1440, 222661), (1520, 210942), (1710, 187504), (1824, 175785), (2280, 140628), (2736, 117190), (3040, 105471), (3420, 93752), (4560, 70314), (5472, 58595), (6840, 46876), (9120, 35157), (11719, 27360), (13680, 23438)]