66280480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:159

約数の個数: 192

約数和(自身を含む): 195084288

約数和(自身を除く): 128803808

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 31, 32, 35, 40, 46, 56, 62, 70, 80, 83, 92, 112, 115, 124, 140, 155, 160, 161, 166, 184, 217, 224, 230, 248, 280, 310, 322, 332, 368, 415, 434, 460, 496, 560, 581, 620, 644, 664, 713, 736, 805, 830, 868, 920, 992, 1085, 1120, 1162, 1240, 1288, 1328, 1426, 1610, 1660, 1736, 1840, 1909, 2170, 2324, 2480, 2573, 2576, 2656, 2852, 2905, 3220, 3320, 3472, 3565, 3680, 3818, 4340, 4648, 4960, 4991, 5146, 5152, 5704, 5810, 6440, 6640, 6944, 7130, 7636, 8680, 9296, 9545, 9982, 10292, 11408, 11620, 12865, 12880, 13280, 13363, 14260, 15272, 17360, 18011, 18592, 19090, 19964, 20584, 22816, 23240, 24955, 25730, 25760, 26726, 28520, 30544, 34720, 36022, 38180, 39928, 41168, 46480, 49910, 51460, 53452, 57040, 59179, 61088, 66815, 72044, 76360, 79856, 82336, 90055, 92960, 99820, 102920, 106904, 114080, 118358, 133630, 144088, 152720, 159712, 180110, 199640, 205840, 213808, 236716, 267260, 288176, 295895, 305440, 360220, 399280, 411680, 414253, 427616, 473432, 534520, 576352, 591790, 720440, 798560, 828506, 946864, 1069040, 1183580, 1440880, 1657012, 1893728, 2071265, 2138080, 2367160, 2881760, 3314024, 4142530, 4734320, 6628048, 8285060, 9468640, 13256096, 16570120, 33140240, 66280480]

約数ペア:

[(1, 66280480), (2, 33140240), (4, 16570120), (5, 13256096), (7, 9468640), (8, 8285060), (10, 6628048), (14, 4734320), (16, 4142530), (20, 3314024), (23, 2881760), (28, 2367160), (31, 2138080), (32, 2071265), (35, 1893728), (40, 1657012), (46, 1440880), (56, 1183580), (62, 1069040), (70, 946864), (80, 828506), (83, 798560), (92, 720440), (112, 591790), (115, 576352), (124, 534520), (140, 473432), (155, 427616), (160, 414253), (161, 411680), (166, 399280), (184, 360220), (217, 305440), (224, 295895), (230, 288176), (248, 267260), (280, 236716), (310, 213808), (322, 205840), (332, 199640), (368, 180110), (415, 159712), (434, 152720), (460, 144088), (496, 133630), (560, 118358), (581, 114080), (620, 106904), (644, 102920), (664, 99820), (713, 92960), (736, 90055), (805, 82336), (830, 79856), (868, 76360), (920, 72044), (992, 66815), (1085, 61088), (1120, 59179), (1162, 57040), (1240, 53452), (1288, 51460), (1328, 49910), (1426, 46480), (1610, 41168), (1660, 39928), (1736, 38180), (1840, 36022), (1909, 34720), (2170, 30544), (2324, 28520), (2480, 26726), (2573, 25760), (2576, 25730), (2656, 24955), (2852, 23240), (2905, 22816), (3220, 20584), (3320, 19964), (3472, 19090), (3565, 18592), (3680, 18011), (3818, 17360), (4340, 15272), (4648, 14260), (4960, 13363), (4991, 13280), (5146, 12880), (5152, 12865), (5704, 11620), (5810, 11408), (6440, 10292), (6640, 9982), (6944, 9545), (7130, 9296), (7636, 8680)]