287777880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{199}}^1$

素因数の和:335

約数の個数: 256

約数和(自身を含む): 1048320000

約数和(自身を除く): 760542120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 103, 104, 108, 117, 120, 130, 135, 156, 180, 195, 199, 206, 216, 234, 260, 270, 309, 312, 351, 360, 390, 398, 412, 468, 515, 520, 540, 585, 597, 618, 702, 780, 796, 824, 927, 936, 995, 1030, 1080, 1170, 1194, 1236, 1339, 1404, 1545, 1560, 1592, 1755, 1791, 1854, 1990, 2060, 2340, 2388, 2472, 2587, 2678, 2781, 2808, 2985, 3090, 3510, 3582, 3708, 3980, 4017, 4120, 4635, 4680, 4776, 5174, 5356, 5373, 5562, 5970, 6180, 6695, 7020, 7164, 7416, 7761, 7960, 8034, 8955, 9270, 10348, 10712, 10746, 11124, 11940, 12051, 12360, 12935, 13390, 13905, 14040, 14328, 15522, 16068, 17910, 18540, 20085, 20497, 20696, 21492, 22248, 23283, 23880, 24102, 25870, 26780, 26865, 27810, 31044, 32136, 35820, 36153, 37080, 38805, 40170, 40994, 42984, 46566, 48204, 51740, 53560, 53730, 55620, 60255, 61491, 62088, 69849, 71640, 72306, 77610, 80340, 81988, 93132, 96408, 102485, 103480, 107460, 111240, 116415, 120510, 122982, 139698, 144612, 155220, 160680, 163976, 180765, 184473, 186264, 204970, 214920, 232830, 241020, 245964, 266461, 279396, 289224, 307455, 310440, 349245, 361530, 368946, 409940, 465660, 482040, 491928, 532922, 553419, 558792, 614910, 698490, 723060, 737892, 799383, 819880, 922365, 931320, 1065844, 1106838, 1229820, 1332305, 1396980, 1446120, 1475784, 1598766, 1844730, 2131688, 2213676, 2398149, 2459640, 2664610, 2767095, 2793960, 3197532, 3689460, 3996915, 4427352, 4796298, 5329220, 5534190, 6395064, 7194447, 7378920, 7993830, 9592596, 10658440, 11068380, 11990745, 14388894, 15987660, 19185192, 22136760, 23981490, 28777788, 31975320, 35972235, 47962980, 57555576, 71944470, 95925960, 143888940, 287777880]

約数ペア:

[(1, 287777880), (2, 143888940), (3, 95925960), (4, 71944470), (5, 57555576), (6, 47962980), (8, 35972235), (9, 31975320), (10, 28777788), (12, 23981490), (13, 22136760), (15, 19185192), (18, 15987660), (20, 14388894), (24, 11990745), (26, 11068380), (27, 10658440), (30, 9592596), (36, 7993830), (39, 7378920), (40, 7194447), (45, 6395064), (52, 5534190), (54, 5329220), (60, 4796298), (65, 4427352), (72, 3996915), (78, 3689460), (90, 3197532), (103, 2793960), (104, 2767095), (108, 2664610), (117, 2459640), (120, 2398149), (130, 2213676), (135, 2131688), (156, 1844730), (180, 1598766), (195, 1475784), (199, 1446120), (206, 1396980), (216, 1332305), (234, 1229820), (260, 1106838), (270, 1065844), (309, 931320), (312, 922365), (351, 819880), (360, 799383), (390, 737892), (398, 723060), (412, 698490), (468, 614910), (515, 558792), (520, 553419), (540, 532922), (585, 491928), (597, 482040), (618, 465660), (702, 409940), (780, 368946), (796, 361530), (824, 349245), (927, 310440), (936, 307455), (995, 289224), (1030, 279396), (1080, 266461), (1170, 245964), (1194, 241020), (1236, 232830), (1339, 214920), (1404, 204970), (1545, 186264), (1560, 184473), (1592, 180765), (1755, 163976), (1791, 160680), (1854, 155220), (1990, 144612), (2060, 139698), (2340, 122982), (2388, 120510), (2472, 116415), (2587, 111240), (2678, 107460), (2781, 103480), (2808, 102485), (2985, 96408), (3090, 93132), (3510, 81988), (3582, 80340), (3708, 77610), (3980, 72306), (4017, 71640), (4120, 69849), (4635, 62088), (4680, 61491), (4776, 60255), (5174, 55620), (5356, 53730), (5373, 53560), (5562, 51740), (5970, 48204), (6180, 46566), (6695, 42984), (7020, 40994), (7164, 40170), (7416, 38805), (7761, 37080), (7960, 36153), (8034, 35820), (8955, 32136), (9270, 31044), (10348, 27810), (10712, 26865), (10746, 26780), (11124, 25870), (11940, 24102), (12051, 23880), (12360, 23283), (12935, 22248), (13390, 21492), (13905, 20696), (14040, 20497), (14328, 20085), (15522, 18540), (16068, 17910)]