439141920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{18671}}^1$

素因数の和:18703

約数の個数: 144

約数和(自身を含む): 1609227648

約数和(自身を除く): 1170085728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 18671, 23520, 37342, 56013, 74684, 93355, 112026, 130697, 149368, 186710, 224052, 261394, 280065, 298736, 373420, 392091, 448104, 522788, 560130, 597472, 653485, 746840, 784182, 896208, 914879, 1045576, 1120260, 1306970, 1493680, 1568364, 1792416, 1829758, 1960455, 2091152, 2240520, 2613940, 2744637, 2987360, 3136728, 3659516, 3920910, 4182304, 4481040, 4574395, 5227880, 5489274, 6273456, 7319032, 7841820, 8962080, 9148790, 10455760, 10978548, 12546912, 13723185, 14638064, 15683640, 18297580, 20911520, 21957096, 27446370, 29276128, 31367280, 36595160, 43914192, 54892740, 62734560, 73190320, 87828384, 109785480, 146380640, 219570960, 439141920]

約数ペア:

[(1, 439141920), (2, 219570960), (3, 146380640), (4, 109785480), (5, 87828384), (6, 73190320), (7, 62734560), (8, 54892740), (10, 43914192), (12, 36595160), (14, 31367280), (15, 29276128), (16, 27446370), (20, 21957096), (21, 20911520), (24, 18297580), (28, 15683640), (30, 14638064), (32, 13723185), (35, 12546912), (40, 10978548), (42, 10455760), (48, 9148790), (49, 8962080), (56, 7841820), (60, 7319032), (70, 6273456), (80, 5489274), (84, 5227880), (96, 4574395), (98, 4481040), (105, 4182304), (112, 3920910), (120, 3659516), (140, 3136728), (147, 2987360), (160, 2744637), (168, 2613940), (196, 2240520), (210, 2091152), (224, 1960455), (240, 1829758), (245, 1792416), (280, 1568364), (294, 1493680), (336, 1306970), (392, 1120260), (420, 1045576), (480, 914879), (490, 896208), (560, 784182), (588, 746840), (672, 653485), (735, 597472), (784, 560130), (840, 522788), (980, 448104), (1120, 392091), (1176, 373420), (1470, 298736), (1568, 280065), (1680, 261394), (1960, 224052), (2352, 186710), (2940, 149368), (3360, 130697), (3920, 112026), (4704, 93355), (5880, 74684), (7840, 56013), (11760, 37342), (18671, 23520)]