28395120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:527

約数の個数: 160

約数和(自身を含む): 99993600

約数和(自身を除く): 71598480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 104, 114, 120, 130, 152, 156, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 380, 390, 456, 479, 494, 520, 570, 624, 741, 760, 780, 912, 958, 988, 1040, 1140, 1235, 1437, 1482, 1520, 1560, 1916, 1976, 2280, 2395, 2470, 2874, 2964, 3120, 3705, 3832, 3952, 4560, 4790, 4940, 5748, 5928, 6227, 7185, 7410, 7664, 9101, 9580, 9880, 11496, 11856, 12454, 14370, 14820, 18202, 18681, 19160, 19760, 22992, 24908, 27303, 28740, 29640, 31135, 36404, 37362, 38320, 45505, 49816, 54606, 57480, 59280, 62270, 72808, 74724, 91010, 93405, 99632, 109212, 114960, 118313, 124540, 136515, 145616, 149448, 182020, 186810, 218424, 236626, 249080, 273030, 298896, 354939, 364040, 373620, 436848, 473252, 498160, 546060, 591565, 709878, 728080, 747240, 946504, 1092120, 1183130, 1419756, 1494480, 1774695, 1893008, 2184240, 2366260, 2839512, 3549390, 4732520, 5679024, 7098780, 9465040, 14197560, 28395120]

約数ペア:

[(1, 28395120), (2, 14197560), (3, 9465040), (4, 7098780), (5, 5679024), (6, 4732520), (8, 3549390), (10, 2839512), (12, 2366260), (13, 2184240), (15, 1893008), (16, 1774695), (19, 1494480), (20, 1419756), (24, 1183130), (26, 1092120), (30, 946504), (38, 747240), (39, 728080), (40, 709878), (48, 591565), (52, 546060), (57, 498160), (60, 473252), (65, 436848), (76, 373620), (78, 364040), (80, 354939), (95, 298896), (104, 273030), (114, 249080), (120, 236626), (130, 218424), (152, 186810), (156, 182020), (190, 149448), (195, 145616), (208, 136515), (228, 124540), (240, 118313), (247, 114960), (260, 109212), (285, 99632), (304, 93405), (312, 91010), (380, 74724), (390, 72808), (456, 62270), (479, 59280), (494, 57480), (520, 54606), (570, 49816), (624, 45505), (741, 38320), (760, 37362), (780, 36404), (912, 31135), (958, 29640), (988, 28740), (1040, 27303), (1140, 24908), (1235, 22992), (1437, 19760), (1482, 19160), (1520, 18681), (1560, 18202), (1916, 14820), (1976, 14370), (2280, 12454), (2395, 11856), (2470, 11496), (2874, 9880), (2964, 9580), (3120, 9101), (3705, 7664), (3832, 7410), (3952, 7185), (4560, 6227), (4790, 5928), (4940, 5748)]