25779780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1$

素因数の和:530

約数の個数: 144

約数和(自身を含む): 88058880

約数和(自身を除く): 62279100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 90, 92, 115, 117, 130, 138, 156, 180, 195, 207, 230, 234, 260, 276, 299, 345, 390, 414, 460, 468, 479, 585, 598, 690, 780, 828, 897, 958, 1035, 1170, 1196, 1380, 1437, 1495, 1794, 1916, 2070, 2340, 2395, 2691, 2874, 2990, 3588, 4140, 4311, 4485, 4790, 5382, 5748, 5980, 6227, 7185, 8622, 8970, 9580, 10764, 11017, 12454, 13455, 14370, 17244, 17940, 18681, 21555, 22034, 24908, 26910, 28740, 31135, 33051, 37362, 43110, 44068, 53820, 55085, 56043, 62270, 66102, 74724, 86220, 93405, 99153, 110170, 112086, 124540, 132204, 143221, 165255, 186810, 198306, 220340, 224172, 280215, 286442, 330510, 373620, 396612, 429663, 495765, 560430, 572884, 661020, 716105, 859326, 991530, 1120860, 1288989, 1432210, 1718652, 1983060, 2148315, 2577978, 2864420, 4296630, 5155956, 6444945, 8593260, 12889890, 25779780]

約数ペア:

[(1, 25779780), (2, 12889890), (3, 8593260), (4, 6444945), (5, 5155956), (6, 4296630), (9, 2864420), (10, 2577978), (12, 2148315), (13, 1983060), (15, 1718652), (18, 1432210), (20, 1288989), (23, 1120860), (26, 991530), (30, 859326), (36, 716105), (39, 661020), (45, 572884), (46, 560430), (52, 495765), (60, 429663), (65, 396612), (69, 373620), (78, 330510), (90, 286442), (92, 280215), (115, 224172), (117, 220340), (130, 198306), (138, 186810), (156, 165255), (180, 143221), (195, 132204), (207, 124540), (230, 112086), (234, 110170), (260, 99153), (276, 93405), (299, 86220), (345, 74724), (390, 66102), (414, 62270), (460, 56043), (468, 55085), (479, 53820), (585, 44068), (598, 43110), (690, 37362), (780, 33051), (828, 31135), (897, 28740), (958, 26910), (1035, 24908), (1170, 22034), (1196, 21555), (1380, 18681), (1437, 17940), (1495, 17244), (1794, 14370), (1916, 13455), (2070, 12454), (2340, 11017), (2395, 10764), (2691, 9580), (2874, 8970), (2990, 8622), (3588, 7185), (4140, 6227), (4311, 5980), (4485, 5748), (4790, 5382)]