80422020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{769}}^1$

素因数の和:874

約数の個数: 144

約数和(自身を含む): 282522240

約数和(自身を除く): 202100220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 83, 84, 90, 105, 126, 140, 166, 180, 210, 249, 252, 315, 332, 415, 420, 498, 581, 630, 747, 769, 830, 996, 1162, 1245, 1260, 1494, 1538, 1660, 1743, 2307, 2324, 2490, 2905, 2988, 3076, 3486, 3735, 3845, 4614, 4980, 5229, 5383, 5810, 6921, 6972, 7470, 7690, 8715, 9228, 10458, 10766, 11535, 11620, 13842, 14940, 15380, 16149, 17430, 20916, 21532, 23070, 26145, 26915, 27684, 32298, 34605, 34860, 46140, 48447, 52290, 53830, 63827, 64596, 69210, 80745, 96894, 104580, 107660, 127654, 138420, 161490, 191481, 193788, 242235, 255308, 319135, 322980, 382962, 446789, 484470, 574443, 638270, 765924, 893578, 957405, 968940, 1148886, 1276540, 1340367, 1787156, 1914810, 2233945, 2297772, 2680734, 2872215, 3829620, 4021101, 4467890, 5361468, 5744430, 6701835, 8042202, 8935780, 11488860, 13403670, 16084404, 20105505, 26807340, 40211010, 80422020]

約数ペア:

[(1, 80422020), (2, 40211010), (3, 26807340), (4, 20105505), (5, 16084404), (6, 13403670), (7, 11488860), (9, 8935780), (10, 8042202), (12, 6701835), (14, 5744430), (15, 5361468), (18, 4467890), (20, 4021101), (21, 3829620), (28, 2872215), (30, 2680734), (35, 2297772), (36, 2233945), (42, 1914810), (45, 1787156), (60, 1340367), (63, 1276540), (70, 1148886), (83, 968940), (84, 957405), (90, 893578), (105, 765924), (126, 638270), (140, 574443), (166, 484470), (180, 446789), (210, 382962), (249, 322980), (252, 319135), (315, 255308), (332, 242235), (415, 193788), (420, 191481), (498, 161490), (581, 138420), (630, 127654), (747, 107660), (769, 104580), (830, 96894), (996, 80745), (1162, 69210), (1245, 64596), (1260, 63827), (1494, 53830), (1538, 52290), (1660, 48447), (1743, 46140), (2307, 34860), (2324, 34605), (2490, 32298), (2905, 27684), (2988, 26915), (3076, 26145), (3486, 23070), (3735, 21532), (3845, 20916), (4614, 17430), (4980, 16149), (5229, 15380), (5383, 14940), (5810, 13842), (6921, 11620), (6972, 11535), (7470, 10766), (7690, 10458), (8715, 9228)]