123381440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 224

約数和(自身を含む): 382341120

約数和(自身を除く): 258959680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 52, 56, 64, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 160, 182, 190, 208, 223, 224, 247, 260, 266, 280, 304, 320, 364, 380, 416, 446, 448, 455, 494, 520, 532, 560, 608, 665, 728, 760, 832, 892, 910, 988, 1040, 1064, 1115, 1120, 1216, 1235, 1330, 1456, 1520, 1561, 1729, 1784, 1820, 1976, 2080, 2128, 2230, 2240, 2470, 2660, 2899, 2912, 3040, 3122, 3458, 3568, 3640, 3952, 4160, 4237, 4256, 4460, 4940, 5320, 5798, 5824, 6080, 6244, 6916, 7136, 7280, 7805, 7904, 8474, 8512, 8645, 8920, 9880, 10640, 11596, 12488, 13832, 14272, 14495, 14560, 15610, 15808, 16948, 17290, 17840, 19760, 20293, 21185, 21280, 23192, 24976, 27664, 28990, 29120, 29659, 31220, 33896, 34580, 35680, 39520, 40586, 42370, 42560, 46384, 49952, 55081, 55328, 57980, 59318, 62440, 67792, 69160, 71360, 79040, 81172, 84740, 92768, 99904, 101465, 110162, 110656, 115960, 118636, 124880, 135584, 138320, 148295, 162344, 169480, 185536, 202930, 220324, 231920, 237272, 249760, 271168, 275405, 276640, 296590, 324688, 338960, 385567, 405860, 440648, 463840, 474544, 499520, 550810, 553280, 593180, 649376, 677920, 771134, 811720, 881296, 927680, 949088, 1101620, 1186360, 1298752, 1355840, 1542268, 1623440, 1762592, 1898176, 1927835, 2203240, 2372720, 3084536, 3246880, 3525184, 3855670, 4406480, 4745440, 6169072, 6493760, 7711340, 8812960, 9490880, 12338144, 15422680, 17625920, 24676288, 30845360, 61690720, 123381440]

約数ペア:

[(1, 123381440), (2, 61690720), (4, 30845360), (5, 24676288), (7, 17625920), (8, 15422680), (10, 12338144), (13, 9490880), (14, 8812960), (16, 7711340), (19, 6493760), (20, 6169072), (26, 4745440), (28, 4406480), (32, 3855670), (35, 3525184), (38, 3246880), (40, 3084536), (52, 2372720), (56, 2203240), (64, 1927835), (65, 1898176), (70, 1762592), (76, 1623440), (80, 1542268), (91, 1355840), (95, 1298752), (104, 1186360), (112, 1101620), (130, 949088), (133, 927680), (140, 881296), (152, 811720), (160, 771134), (182, 677920), (190, 649376), (208, 593180), (223, 553280), (224, 550810), (247, 499520), (260, 474544), (266, 463840), (280, 440648), (304, 405860), (320, 385567), (364, 338960), (380, 324688), (416, 296590), (446, 276640), (448, 275405), (455, 271168), (494, 249760), (520, 237272), (532, 231920), (560, 220324), (608, 202930), (665, 185536), (728, 169480), (760, 162344), (832, 148295), (892, 138320), (910, 135584), (988, 124880), (1040, 118636), (1064, 115960), (1115, 110656), (1120, 110162), (1216, 101465), (1235, 99904), (1330, 92768), (1456, 84740), (1520, 81172), (1561, 79040), (1729, 71360), (1784, 69160), (1820, 67792), (1976, 62440), (2080, 59318), (2128, 57980), (2230, 55328), (2240, 55081), (2470, 49952), (2660, 46384), (2899, 42560), (2912, 42370), (3040, 40586), (3122, 39520), (3458, 35680), (3568, 34580), (3640, 33896), (3952, 31220), (4160, 29659), (4237, 29120), (4256, 28990), (4460, 27664), (4940, 24976), (5320, 23192), (5798, 21280), (5824, 21185), (6080, 20293), (6244, 19760), (6916, 17840), (7136, 17290), (7280, 16948), (7805, 15808), (7904, 15610), (8474, 14560), (8512, 14495), (8645, 14272), (8920, 13832), (9880, 12488), (10640, 11596)]