128804760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{647}}^1$

素因数の和:750

約数の個数: 192

約数和(自身を含む): 485222400

約数和(自身を除く): 356417640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 79, 84, 90, 105, 120, 126, 140, 158, 168, 180, 210, 237, 252, 280, 315, 316, 360, 395, 420, 474, 504, 553, 630, 632, 647, 711, 790, 840, 948, 1106, 1185, 1260, 1294, 1422, 1580, 1659, 1896, 1941, 2212, 2370, 2520, 2588, 2765, 2844, 3160, 3235, 3318, 3555, 3882, 4424, 4529, 4740, 4977, 5176, 5530, 5688, 5823, 6470, 6636, 7110, 7764, 8295, 9058, 9480, 9705, 9954, 11060, 11646, 12940, 13272, 13587, 14220, 15528, 16590, 18116, 19410, 19908, 22120, 22645, 23292, 24885, 25880, 27174, 28440, 29115, 33180, 36232, 38820, 39816, 40761, 45290, 46584, 49770, 51113, 54348, 58230, 66360, 67935, 77640, 81522, 90580, 99540, 102226, 108696, 116460, 135870, 153339, 163044, 181160, 199080, 203805, 204452, 232920, 255565, 271740, 306678, 326088, 357791, 407610, 408904, 460017, 511130, 543480, 613356, 715582, 766695, 815220, 920034, 1022260, 1073373, 1226712, 1431164, 1533390, 1630440, 1788955, 1840068, 2044520, 2146746, 2300085, 2862328, 3066780, 3220119, 3577910, 3680136, 4293492, 4600170, 5366865, 6133560, 6440238, 7155820, 8586984, 9200340, 10733730, 12880476, 14311640, 16100595, 18400680, 21467460, 25760952, 32201190, 42934920, 64402380, 128804760]

約数ペア:

[(1, 128804760), (2, 64402380), (3, 42934920), (4, 32201190), (5, 25760952), (6, 21467460), (7, 18400680), (8, 16100595), (9, 14311640), (10, 12880476), (12, 10733730), (14, 9200340), (15, 8586984), (18, 7155820), (20, 6440238), (21, 6133560), (24, 5366865), (28, 4600170), (30, 4293492), (35, 3680136), (36, 3577910), (40, 3220119), (42, 3066780), (45, 2862328), (56, 2300085), (60, 2146746), (63, 2044520), (70, 1840068), (72, 1788955), (79, 1630440), (84, 1533390), (90, 1431164), (105, 1226712), (120, 1073373), (126, 1022260), (140, 920034), (158, 815220), (168, 766695), (180, 715582), (210, 613356), (237, 543480), (252, 511130), (280, 460017), (315, 408904), (316, 407610), (360, 357791), (395, 326088), (420, 306678), (474, 271740), (504, 255565), (553, 232920), (630, 204452), (632, 203805), (647, 199080), (711, 181160), (790, 163044), (840, 153339), (948, 135870), (1106, 116460), (1185, 108696), (1260, 102226), (1294, 99540), (1422, 90580), (1580, 81522), (1659, 77640), (1896, 67935), (1941, 66360), (2212, 58230), (2370, 54348), (2520, 51113), (2588, 49770), (2765, 46584), (2844, 45290), (3160, 40761), (3235, 39816), (3318, 38820), (3555, 36232), (3882, 33180), (4424, 29115), (4529, 28440), (4740, 27174), (4977, 25880), (5176, 24885), (5530, 23292), (5688, 22645), (5823, 22120), (6470, 19908), (6636, 19410), (7110, 18116), (7764, 16590), (8295, 15528), (9058, 14220), (9480, 13587), (9705, 13272), (9954, 12940), (11060, 11646)]