263503240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6581}}^1$

素因数の和:6623

約数の個数: 128

約数和(自身を含む): 796158720

約数和(自身を除く): 532655480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 88, 91, 104, 110, 130, 140, 143, 154, 182, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 572, 616, 715, 728, 770, 910, 1001, 1144, 1430, 1540, 1820, 2002, 2860, 3080, 3640, 4004, 5005, 5720, 6581, 8008, 10010, 13162, 20020, 26324, 32905, 40040, 46067, 52648, 65810, 72391, 85553, 92134, 131620, 144782, 171106, 184268, 230335, 263240, 289564, 342212, 361955, 368536, 427765, 460670, 506737, 579128, 598871, 684424, 723910, 855530, 921340, 941083, 1013474, 1197742, 1447820, 1711060, 1842680, 1882166, 2026948, 2395484, 2533685, 2895640, 2994355, 3422120, 3764332, 4053896, 4705415, 4790968, 5067370, 5988710, 6587581, 7528664, 9410830, 10134740, 11977420, 13175162, 18821660, 20269480, 23954840, 26350324, 32937905, 37643320, 52700648, 65875810, 131751620, 263503240]

約数ペア:

[(1, 263503240), (2, 131751620), (4, 65875810), (5, 52700648), (7, 37643320), (8, 32937905), (10, 26350324), (11, 23954840), (13, 20269480), (14, 18821660), (20, 13175162), (22, 11977420), (26, 10134740), (28, 9410830), (35, 7528664), (40, 6587581), (44, 5988710), (52, 5067370), (55, 4790968), (56, 4705415), (65, 4053896), (70, 3764332), (77, 3422120), (88, 2994355), (91, 2895640), (104, 2533685), (110, 2395484), (130, 2026948), (140, 1882166), (143, 1842680), (154, 1711060), (182, 1447820), (220, 1197742), (260, 1013474), (280, 941083), (286, 921340), (308, 855530), (364, 723910), (385, 684424), (440, 598871), (455, 579128), (520, 506737), (572, 460670), (616, 427765), (715, 368536), (728, 361955), (770, 342212), (910, 289564), (1001, 263240), (1144, 230335), (1430, 184268), (1540, 171106), (1820, 144782), (2002, 131620), (2860, 92134), (3080, 85553), (3640, 72391), (4004, 65810), (5005, 52648), (5720, 46067), (6581, 40040), (8008, 32905), (10010, 26324), (13162, 20020)]