251916720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{2579}}^1$

素因数の和:2643

約数の個数: 160

約数和(自身を含む): 875301120

約数和(自身を除く): 623384400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 37, 40, 44, 48, 55, 60, 66, 74, 80, 88, 110, 111, 120, 132, 148, 165, 176, 185, 220, 222, 240, 264, 296, 330, 370, 407, 440, 444, 528, 555, 592, 660, 740, 814, 880, 888, 1110, 1221, 1320, 1480, 1628, 1776, 2035, 2220, 2442, 2579, 2640, 2960, 3256, 4070, 4440, 4884, 5158, 6105, 6512, 7737, 8140, 8880, 9768, 10316, 12210, 12895, 15474, 16280, 19536, 20632, 24420, 25790, 28369, 30948, 32560, 38685, 41264, 48840, 51580, 56738, 61896, 77370, 85107, 95423, 97680, 103160, 113476, 123792, 141845, 154740, 170214, 190846, 206320, 226952, 283690, 286269, 309480, 340428, 381692, 425535, 453904, 477115, 567380, 572538, 618960, 680856, 763384, 851070, 954230, 1049653, 1134760, 1145076, 1361712, 1431345, 1526768, 1702140, 1908460, 2099306, 2269520, 2290152, 2862690, 3148959, 3404280, 3816920, 4198612, 4580304, 5248265, 5725380, 6297918, 6808560, 7633840, 8397224, 10496530, 11450760, 12595836, 15744795, 16794448, 20993060, 22901520, 25191672, 31489590, 41986120, 50383344, 62979180, 83972240, 125958360, 251916720]

約数ペア:

[(1, 251916720), (2, 125958360), (3, 83972240), (4, 62979180), (5, 50383344), (6, 41986120), (8, 31489590), (10, 25191672), (11, 22901520), (12, 20993060), (15, 16794448), (16, 15744795), (20, 12595836), (22, 11450760), (24, 10496530), (30, 8397224), (33, 7633840), (37, 6808560), (40, 6297918), (44, 5725380), (48, 5248265), (55, 4580304), (60, 4198612), (66, 3816920), (74, 3404280), (80, 3148959), (88, 2862690), (110, 2290152), (111, 2269520), (120, 2099306), (132, 1908460), (148, 1702140), (165, 1526768), (176, 1431345), (185, 1361712), (220, 1145076), (222, 1134760), (240, 1049653), (264, 954230), (296, 851070), (330, 763384), (370, 680856), (407, 618960), (440, 572538), (444, 567380), (528, 477115), (555, 453904), (592, 425535), (660, 381692), (740, 340428), (814, 309480), (880, 286269), (888, 283690), (1110, 226952), (1221, 206320), (1320, 190846), (1480, 170214), (1628, 154740), (1776, 141845), (2035, 123792), (2220, 113476), (2442, 103160), (2579, 97680), (2640, 95423), (2960, 85107), (3256, 77370), (4070, 61896), (4440, 56738), (4884, 51580), (5158, 48840), (6105, 41264), (6512, 38685), (7737, 32560), (8140, 30948), (8880, 28369), (9768, 25790), (10316, 24420), (12210, 20632), (12895, 19536), (15474, 16280)]