15151920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{311}}^1$

素因数の和:363

約数の個数: 160

約数和(自身を含む): 55710720

約数和(自身を除く): 40558800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 29, 30, 35, 40, 42, 48, 56, 58, 60, 70, 80, 84, 87, 105, 112, 116, 120, 140, 145, 168, 174, 203, 210, 232, 240, 280, 290, 311, 336, 348, 406, 420, 435, 464, 560, 580, 609, 622, 696, 812, 840, 870, 933, 1015, 1160, 1218, 1244, 1392, 1555, 1624, 1680, 1740, 1866, 2030, 2177, 2320, 2436, 2488, 3045, 3110, 3248, 3480, 3732, 4060, 4354, 4665, 4872, 4976, 6090, 6220, 6531, 6960, 7464, 8120, 8708, 9019, 9330, 9744, 10885, 12180, 12440, 13062, 14928, 16240, 17416, 18038, 18660, 21770, 24360, 24880, 26124, 27057, 32655, 34832, 36076, 37320, 43540, 45095, 48720, 52248, 54114, 63133, 65310, 72152, 74640, 87080, 90190, 104496, 108228, 126266, 130620, 135285, 144304, 174160, 180380, 189399, 216456, 252532, 261240, 270570, 315665, 360760, 378798, 432912, 505064, 522480, 541140, 631330, 721520, 757596, 946995, 1010128, 1082280, 1262660, 1515192, 1893990, 2164560, 2525320, 3030384, 3787980, 5050640, 7575960, 15151920]

約数ペア:

[(1, 15151920), (2, 7575960), (3, 5050640), (4, 3787980), (5, 3030384), (6, 2525320), (7, 2164560), (8, 1893990), (10, 1515192), (12, 1262660), (14, 1082280), (15, 1010128), (16, 946995), (20, 757596), (21, 721520), (24, 631330), (28, 541140), (29, 522480), (30, 505064), (35, 432912), (40, 378798), (42, 360760), (48, 315665), (56, 270570), (58, 261240), (60, 252532), (70, 216456), (80, 189399), (84, 180380), (87, 174160), (105, 144304), (112, 135285), (116, 130620), (120, 126266), (140, 108228), (145, 104496), (168, 90190), (174, 87080), (203, 74640), (210, 72152), (232, 65310), (240, 63133), (280, 54114), (290, 52248), (311, 48720), (336, 45095), (348, 43540), (406, 37320), (420, 36076), (435, 34832), (464, 32655), (560, 27057), (580, 26124), (609, 24880), (622, 24360), (696, 21770), (812, 18660), (840, 18038), (870, 17416), (933, 16240), (1015, 14928), (1160, 13062), (1218, 12440), (1244, 12180), (1392, 10885), (1555, 9744), (1624, 9330), (1680, 9019), (1740, 8708), (1866, 8120), (2030, 7464), (2177, 6960), (2320, 6531), (2436, 6220), (2488, 6090), (3045, 4976), (3110, 4872), (3248, 4665), (3480, 4354), (3732, 4060)]