15953700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 53996544

約数和(自身を除く): 38042844

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 71, 75, 84, 100, 105, 107, 140, 142, 150, 175, 210, 213, 214, 284, 300, 321, 350, 355, 420, 426, 428, 497, 525, 535, 642, 700, 710, 749, 852, 994, 1050, 1065, 1070, 1284, 1420, 1491, 1498, 1605, 1775, 1988, 2100, 2130, 2140, 2247, 2485, 2675, 2982, 2996, 3210, 3550, 3745, 4260, 4494, 4970, 5325, 5350, 5964, 6420, 7100, 7455, 7490, 7597, 8025, 8988, 9940, 10650, 10700, 11235, 12425, 14910, 14980, 15194, 16050, 18725, 21300, 22470, 22791, 24850, 29820, 30388, 32100, 37275, 37450, 37985, 44940, 45582, 49700, 53179, 56175, 74550, 74900, 75970, 91164, 106358, 112350, 113955, 149100, 151940, 159537, 189925, 212716, 224700, 227910, 265895, 319074, 379850, 455820, 531790, 569775, 638148, 759700, 797685, 1063580, 1139550, 1329475, 1595370, 2279100, 2658950, 3190740, 3988425, 5317900, 7976850, 15953700]

約数ペア:

[(1, 15953700), (2, 7976850), (3, 5317900), (4, 3988425), (5, 3190740), (6, 2658950), (7, 2279100), (10, 1595370), (12, 1329475), (14, 1139550), (15, 1063580), (20, 797685), (21, 759700), (25, 638148), (28, 569775), (30, 531790), (35, 455820), (42, 379850), (50, 319074), (60, 265895), (70, 227910), (71, 224700), (75, 212716), (84, 189925), (100, 159537), (105, 151940), (107, 149100), (140, 113955), (142, 112350), (150, 106358), (175, 91164), (210, 75970), (213, 74900), (214, 74550), (284, 56175), (300, 53179), (321, 49700), (350, 45582), (355, 44940), (420, 37985), (426, 37450), (428, 37275), (497, 32100), (525, 30388), (535, 29820), (642, 24850), (700, 22791), (710, 22470), (749, 21300), (852, 18725), (994, 16050), (1050, 15194), (1065, 14980), (1070, 14910), (1284, 12425), (1420, 11235), (1491, 10700), (1498, 10650), (1605, 9940), (1775, 8988), (1988, 8025), (2100, 7597), (2130, 7490), (2140, 7455), (2247, 7100), (2485, 6420), (2675, 5964), (2982, 5350), (2996, 5325), (3210, 4970), (3550, 4494), (3745, 4260)]