61690720

素因数分解:

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

素因数の和:277

約数の個数: 192

約数和(自身を含む): 189665280

約数和(自身を除く): 127974560

約数列:

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

約数ペア:

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