280101120

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 288

約数和(自身を含む): 999957504

約数和(自身を除く): 719856384

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 32, 39, 40, 48, 52, 60, 62, 64, 65, 78, 80, 93, 96, 104, 120, 124, 128, 130, 155, 156, 160, 181, 186, 192, 195, 208, 240, 248, 256, 260, 310, 312, 320, 362, 372, 384, 390, 403, 416, 465, 480, 496, 520, 543, 620, 624, 640, 724, 744, 768, 780, 806, 832, 905, 930, 960, 992, 1040, 1086, 1209, 1240, 1248, 1280, 1448, 1488, 1560, 1612, 1664, 1810, 1860, 1920, 1984, 2015, 2080, 2172, 2353, 2418, 2480, 2496, 2715, 2896, 2976, 3120, 3224, 3328, 3620, 3720, 3840, 3968, 4030, 4160, 4344, 4706, 4836, 4960, 4992, 5430, 5611, 5792, 5952, 6045, 6240, 6448, 7059, 7240, 7440, 7936, 8060, 8320, 8688, 9412, 9672, 9920, 9984, 10860, 11222, 11584, 11765, 11904, 12090, 12480, 12896, 14118, 14480, 14880, 16120, 16640, 16833, 17376, 18824, 19344, 19840, 21720, 22444, 23168, 23530, 23808, 24180, 24960, 25792, 28055, 28236, 28960, 29760, 32240, 33666, 34752, 35295, 37648, 38688, 39680, 43440, 44888, 46336, 47060, 48360, 49920, 51584, 56110, 56472, 57920, 59520, 64480, 67332, 69504, 70590, 72943, 75296, 77376, 84165, 86880, 89776, 94120, 96720, 103168, 112220, 112944, 115840, 119040, 128960, 134664, 139008, 141180, 145886, 150592, 154752, 168330, 173760, 179552, 188240, 193440, 218829, 224440, 225888, 231680, 257920, 269328, 282360, 291772, 301184, 309504, 336660, 347520, 359104, 364715, 376480, 386880, 437658, 448880, 451776, 515840, 538656, 564720, 583544, 602368, 673320, 695040, 718208, 729430, 752960, 773760, 875316, 897760, 903552, 1077312, 1094145, 1129440, 1167088, 1346640, 1436416, 1458860, 1505920, 1547520, 1750632, 1795520, 1807104, 2154624, 2188290, 2258880, 2334176, 2693280, 2917720, 3011840, 3501264, 3591040, 4309248, 4376580, 4517760, 4668352, 5386560, 5835440, 7002528, 7182080, 8753160, 9035520, 9336704, 10773120, 11670880, 14005056, 17506320, 18673408, 21546240, 23341760, 28010112, 35012640, 46683520, 56020224, 70025280, 93367040, 140050560, 280101120]

約数ペア:

[(1, 280101120), (2, 140050560), (3, 93367040), (4, 70025280), (5, 56020224), (6, 46683520), (8, 35012640), (10, 28010112), (12, 23341760), (13, 21546240), (15, 18673408), (16, 17506320), (20, 14005056), (24, 11670880), (26, 10773120), (30, 9336704), (31, 9035520), (32, 8753160), (39, 7182080), (40, 7002528), (48, 5835440), (52, 5386560), (60, 4668352), (62, 4517760), (64, 4376580), (65, 4309248), (78, 3591040), (80, 3501264), (93, 3011840), (96, 2917720), (104, 2693280), (120, 2334176), (124, 2258880), (128, 2188290), (130, 2154624), (155, 1807104), (156, 1795520), (160, 1750632), (181, 1547520), (186, 1505920), (192, 1458860), (195, 1436416), (208, 1346640), (240, 1167088), (248, 1129440), (256, 1094145), (260, 1077312), (310, 903552), (312, 897760), (320, 875316), (362, 773760), (372, 752960), (384, 729430), (390, 718208), (403, 695040), (416, 673320), (465, 602368), (480, 583544), (496, 564720), (520, 538656), (543, 515840), (620, 451776), (624, 448880), (640, 437658), (724, 386880), (744, 376480), (768, 364715), (780, 359104), (806, 347520), (832, 336660), (905, 309504), (930, 301184), (960, 291772), (992, 282360), (1040, 269328), (1086, 257920), (1209, 231680), (1240, 225888), (1248, 224440), (1280, 218829), (1448, 193440), (1488, 188240), (1560, 179552), (1612, 173760), (1664, 168330), (1810, 154752), (1860, 150592), (1920, 145886), (1984, 141180), (2015, 139008), (2080, 134664), (2172, 128960), (2353, 119040), (2418, 115840), (2480, 112944), (2496, 112220), (2715, 103168), (2896, 96720), (2976, 94120), (3120, 89776), (3224, 86880), (3328, 84165), (3620, 77376), (3720, 75296), (3840, 72943), (3968, 70590), (4030, 69504), (4160, 67332), (4344, 64480), (4706, 59520), (4836, 57920), (4960, 56472), (4992, 56110), (5430, 51584), (5611, 49920), (5792, 48360), (5952, 47060), (6045, 46336), (6240, 44888), (6448, 43440), (7059, 39680), (7240, 38688), (7440, 37648), (7936, 35295), (8060, 34752), (8320, 33666), (8688, 32240), (9412, 29760), (9672, 28960), (9920, 28236), (9984, 28055), (10860, 25792), (11222, 24960), (11584, 24180), (11765, 23808), (11904, 23530), (12090, 23168), (12480, 22444), (12896, 21720), (14118, 19840), (14480, 19344), (14880, 18824), (16120, 17376), (16640, 16833)]