87784840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:287

約数の個数: 128

約数和(自身を含む): 235872000

約数和(自身を除く): 148087160

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 103, 104, 110, 130, 143, 149, 206, 220, 260, 286, 298, 412, 440, 515, 520, 572, 596, 715, 745, 824, 1030, 1133, 1144, 1192, 1339, 1430, 1490, 1639, 1937, 2060, 2266, 2678, 2860, 2980, 3278, 3874, 4120, 4532, 5356, 5665, 5720, 5960, 6556, 6695, 7748, 8195, 9064, 9685, 10712, 11330, 13112, 13390, 14729, 15347, 15496, 16390, 19370, 21307, 22660, 26780, 29458, 30694, 32780, 38740, 42614, 45320, 53560, 58916, 61388, 65560, 73645, 76735, 77480, 85228, 106535, 117832, 122776, 147290, 153470, 168817, 170456, 199511, 213070, 294580, 306940, 337634, 399022, 426140, 589160, 613880, 675268, 798044, 844085, 852280, 997555, 1350536, 1596088, 1688170, 1995110, 2194621, 3376340, 3990220, 4389242, 6752680, 7980440, 8778484, 10973105, 17556968, 21946210, 43892420, 87784840]

約数ペア:

[(1, 87784840), (2, 43892420), (4, 21946210), (5, 17556968), (8, 10973105), (10, 8778484), (11, 7980440), (13, 6752680), (20, 4389242), (22, 3990220), (26, 3376340), (40, 2194621), (44, 1995110), (52, 1688170), (55, 1596088), (65, 1350536), (88, 997555), (103, 852280), (104, 844085), (110, 798044), (130, 675268), (143, 613880), (149, 589160), (206, 426140), (220, 399022), (260, 337634), (286, 306940), (298, 294580), (412, 213070), (440, 199511), (515, 170456), (520, 168817), (572, 153470), (596, 147290), (715, 122776), (745, 117832), (824, 106535), (1030, 85228), (1133, 77480), (1144, 76735), (1192, 73645), (1339, 65560), (1430, 61388), (1490, 58916), (1639, 53560), (1937, 45320), (2060, 42614), (2266, 38740), (2678, 32780), (2860, 30694), (2980, 29458), (3278, 26780), (3874, 22660), (4120, 21307), (4532, 19370), (5356, 16390), (5665, 15496), (5720, 15347), (5960, 14729), (6556, 13390), (6695, 13112), (7748, 11330), (8195, 10712), (9064, 9685)]