172709680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:555

約数の個数: 160

約数和(自身を含む): 487968768

約数和(自身を除く): 315259088

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 40, 44, 52, 55, 62, 65, 80, 88, 104, 110, 124, 130, 143, 155, 176, 208, 220, 248, 260, 286, 310, 341, 403, 440, 487, 496, 520, 572, 620, 682, 715, 806, 880, 974, 1040, 1144, 1240, 1364, 1430, 1612, 1705, 1948, 2015, 2288, 2435, 2480, 2728, 2860, 3224, 3410, 3896, 4030, 4433, 4870, 5357, 5456, 5720, 6331, 6448, 6820, 7792, 8060, 8866, 9740, 10714, 11440, 12662, 13640, 15097, 16120, 17732, 19480, 21428, 22165, 25324, 26785, 27280, 30194, 31655, 32240, 35464, 38960, 42856, 44330, 50648, 53570, 60388, 63310, 69641, 70928, 75485, 85712, 88660, 101296, 107140, 120776, 126620, 139282, 150970, 166067, 177320, 196261, 214280, 241552, 253240, 278564, 301940, 332134, 348205, 354640, 392522, 428560, 506480, 557128, 603880, 664268, 696410, 785044, 830335, 981305, 1114256, 1207760, 1328536, 1392820, 1570088, 1660670, 1962610, 2158871, 2657072, 2785640, 3140176, 3321340, 3925220, 4317742, 5571280, 6642680, 7850440, 8635484, 10794355, 13285360, 15700880, 17270968, 21588710, 34541936, 43177420, 86354840, 172709680]

約数ペア:

[(1, 172709680), (2, 86354840), (4, 43177420), (5, 34541936), (8, 21588710), (10, 17270968), (11, 15700880), (13, 13285360), (16, 10794355), (20, 8635484), (22, 7850440), (26, 6642680), (31, 5571280), (40, 4317742), (44, 3925220), (52, 3321340), (55, 3140176), (62, 2785640), (65, 2657072), (80, 2158871), (88, 1962610), (104, 1660670), (110, 1570088), (124, 1392820), (130, 1328536), (143, 1207760), (155, 1114256), (176, 981305), (208, 830335), (220, 785044), (248, 696410), (260, 664268), (286, 603880), (310, 557128), (341, 506480), (403, 428560), (440, 392522), (487, 354640), (496, 348205), (520, 332134), (572, 301940), (620, 278564), (682, 253240), (715, 241552), (806, 214280), (880, 196261), (974, 177320), (1040, 166067), (1144, 150970), (1240, 139282), (1364, 126620), (1430, 120776), (1612, 107140), (1705, 101296), (1948, 88660), (2015, 85712), (2288, 75485), (2435, 70928), (2480, 69641), (2728, 63310), (2860, 60388), (3224, 53570), (3410, 50648), (3896, 44330), (4030, 42856), (4433, 38960), (4870, 35464), (5357, 32240), (5456, 31655), (5720, 30194), (6331, 27280), (6448, 26785), (6820, 25324), (7792, 22165), (8060, 21428), (8866, 19480), (9740, 17732), (10714, 16120), (11440, 15097), (12662, 13640)]