1810345040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{271}}^1$

素因数の和:521

約数の個数: 160

約数和(自身を含む): 4921589760

約数和(自身を除く): 3111244720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 151, 158, 271, 280, 302, 316, 395, 542, 553, 560, 604, 632, 755, 790, 1057, 1084, 1106, 1208, 1264, 1355, 1510, 1580, 1897, 2114, 2168, 2212, 2416, 2710, 2765, 3020, 3160, 3794, 4228, 4336, 4424, 5285, 5420, 5530, 6040, 6320, 7588, 8456, 8848, 9485, 10570, 10840, 11060, 11929, 12080, 15176, 16912, 18970, 21140, 21409, 21680, 22120, 23858, 30352, 37940, 40921, 42280, 42818, 44240, 47716, 59645, 75880, 81842, 83503, 84560, 85636, 95432, 107045, 119290, 149863, 151760, 163684, 167006, 171272, 190864, 204605, 214090, 238580, 286447, 299726, 327368, 334012, 342544, 409210, 417515, 428180, 477160, 572894, 599452, 654736, 668024, 749315, 818420, 835030, 856360, 954320, 1145788, 1198904, 1336048, 1432235, 1498630, 1636840, 1670060, 1712720, 2291576, 2397808, 2864470, 2997260, 3232759, 3273680, 3340120, 4583152, 5728940, 5994520, 6465518, 6680240, 11457880, 11989040, 12931036, 16163795, 22629313, 22915760, 25862072, 32327590, 45258626, 51724144, 64655180, 90517252, 113146565, 129310360, 181034504, 226293130, 258620720, 362069008, 452586260, 905172520, 1810345040]

約数ペア:

[(1, 1810345040), (2, 905172520), (4, 452586260), (5, 362069008), (7, 258620720), (8, 226293130), (10, 181034504), (14, 129310360), (16, 113146565), (20, 90517252), (28, 64655180), (35, 51724144), (40, 45258626), (56, 32327590), (70, 25862072), (79, 22915760), (80, 22629313), (112, 16163795), (140, 12931036), (151, 11989040), (158, 11457880), (271, 6680240), (280, 6465518), (302, 5994520), (316, 5728940), (395, 4583152), (542, 3340120), (553, 3273680), (560, 3232759), (604, 2997260), (632, 2864470), (755, 2397808), (790, 2291576), (1057, 1712720), (1084, 1670060), (1106, 1636840), (1208, 1498630), (1264, 1432235), (1355, 1336048), (1510, 1198904), (1580, 1145788), (1897, 954320), (2114, 856360), (2168, 835030), (2212, 818420), (2416, 749315), (2710, 668024), (2765, 654736), (3020, 599452), (3160, 572894), (3794, 477160), (4228, 428180), (4336, 417515), (4424, 409210), (5285, 342544), (5420, 334012), (5530, 327368), (6040, 299726), (6320, 286447), (7588, 238580), (8456, 214090), (8848, 204605), (9485, 190864), (10570, 171272), (10840, 167006), (11060, 163684), (11929, 151760), (12080, 149863), (15176, 119290), (16912, 107045), (18970, 95432), (21140, 85636), (21409, 84560), (21680, 83503), (22120, 81842), (23858, 75880), (30352, 59645), (37940, 47716), (40921, 44240), (42280, 42818)]