281871720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:197

約数の個数: 288

約数和(自身を含む): 1025158680

約数和(自身を除く): 743286960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 41, 45, 52, 60, 65, 72, 78, 82, 90, 104, 113, 117, 120, 123, 130, 156, 164, 169, 180, 195, 205, 226, 234, 246, 260, 312, 328, 338, 339, 360, 369, 390, 410, 452, 468, 492, 507, 520, 533, 565, 585, 615, 676, 678, 738, 780, 820, 845, 904, 936, 984, 1014, 1017, 1066, 1130, 1170, 1230, 1352, 1356, 1469, 1476, 1521, 1560, 1599, 1640, 1690, 1695, 1845, 2028, 2034, 2132, 2260, 2340, 2460, 2535, 2665, 2712, 2938, 2952, 3042, 3198, 3380, 3390, 3690, 4056, 4068, 4264, 4407, 4520, 4633, 4680, 4797, 4920, 5070, 5085, 5330, 5876, 6084, 6396, 6760, 6780, 6929, 7345, 7380, 7605, 7995, 8136, 8814, 9266, 9594, 10140, 10170, 10660, 11752, 12168, 12792, 13221, 13560, 13858, 13899, 14690, 14760, 15210, 15990, 17628, 18532, 19097, 19188, 20280, 20340, 20787, 21320, 22035, 23165, 23985, 26442, 27716, 27798, 29380, 30420, 31980, 34645, 35256, 37064, 38194, 38376, 40680, 41574, 41697, 44070, 46330, 47970, 52884, 55432, 55596, 57291, 58760, 60229, 60840, 62361, 63960, 66105, 69290, 69495, 76388, 83148, 83394, 88140, 92660, 95485, 95940, 103935, 105768, 111192, 114582, 120458, 124722, 132210, 138580, 138990, 152776, 166296, 166788, 171873, 176280, 180687, 185320, 190970, 191880, 207870, 208485, 229164, 240916, 249444, 264420, 277160, 277980, 286455, 301145, 311805, 333576, 343746, 361374, 381940, 415740, 416970, 458328, 481832, 498888, 528840, 542061, 555960, 572910, 602290, 623610, 687492, 722748, 763880, 782977, 831480, 833940, 859365, 903435, 1084122, 1145820, 1204580, 1247220, 1374984, 1445496, 1565954, 1667880, 1718730, 1806870, 2168244, 2291640, 2348931, 2409160, 2494440, 2710305, 3131908, 3437460, 3613740, 3914885, 4336488, 4697862, 5420610, 6263816, 6874920, 7046793, 7227480, 7829770, 9395724, 10841220, 11744655, 14093586, 15659540, 18791448, 21682440, 23489310, 28187172, 31319080, 35233965, 46978620, 56374344, 70467930, 93957240, 140935860, 281871720]

約数ペア:

[(1, 281871720), (2, 140935860), (3, 93957240), (4, 70467930), (5, 56374344), (6, 46978620), (8, 35233965), (9, 31319080), (10, 28187172), (12, 23489310), (13, 21682440), (15, 18791448), (18, 15659540), (20, 14093586), (24, 11744655), (26, 10841220), (30, 9395724), (36, 7829770), (39, 7227480), (40, 7046793), (41, 6874920), (45, 6263816), (52, 5420610), (60, 4697862), (65, 4336488), (72, 3914885), (78, 3613740), (82, 3437460), (90, 3131908), (104, 2710305), (113, 2494440), (117, 2409160), (120, 2348931), (123, 2291640), (130, 2168244), (156, 1806870), (164, 1718730), (169, 1667880), (180, 1565954), (195, 1445496), (205, 1374984), (226, 1247220), (234, 1204580), (246, 1145820), (260, 1084122), (312, 903435), (328, 859365), (338, 833940), (339, 831480), (360, 782977), (369, 763880), (390, 722748), (410, 687492), (452, 623610), (468, 602290), (492, 572910), (507, 555960), (520, 542061), (533, 528840), (565, 498888), (585, 481832), (615, 458328), (676, 416970), (678, 415740), (738, 381940), (780, 361374), (820, 343746), (845, 333576), (904, 311805), (936, 301145), (984, 286455), (1014, 277980), (1017, 277160), (1066, 264420), (1130, 249444), (1170, 240916), (1230, 229164), (1352, 208485), (1356, 207870), (1469, 191880), (1476, 190970), (1521, 185320), (1560, 180687), (1599, 176280), (1640, 171873), (1690, 166788), (1695, 166296), (1845, 152776), (2028, 138990), (2034, 138580), (2132, 132210), (2260, 124722), (2340, 120458), (2460, 114582), (2535, 111192), (2665, 105768), (2712, 103935), (2938, 95940), (2952, 95485), (3042, 92660), (3198, 88140), (3380, 83394), (3390, 83148), (3690, 76388), (4056, 69495), (4068, 69290), (4264, 66105), (4407, 63960), (4520, 62361), (4633, 60840), (4680, 60229), (4797, 58760), (4920, 57291), (5070, 55596), (5085, 55432), (5330, 52884), (5876, 47970), (6084, 46330), (6396, 44070), (6760, 41697), (6780, 41574), (6929, 40680), (7345, 38376), (7380, 38194), (7605, 37064), (7995, 35256), (8136, 34645), (8814, 31980), (9266, 30420), (9594, 29380), (10140, 27798), (10170, 27716), (10660, 26442), (11752, 23985), (12168, 23165), (12792, 22035), (13221, 21320), (13560, 20787), (13858, 20340), (13899, 20280), (14690, 19188), (14760, 19097), (15210, 18532), (15990, 17628)]