80445240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{619}}^1$

素因数の和:674

約数の個数: 144

約数和(自身を含む): 276377400

約数和(自身を除く): 195932160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 361, 380, 456, 570, 619, 684, 722, 760, 855, 1083, 1140, 1238, 1368, 1444, 1710, 1805, 1857, 2166, 2280, 2476, 2888, 3095, 3249, 3420, 3610, 3714, 4332, 4952, 5415, 5571, 6190, 6498, 6840, 7220, 7428, 8664, 9285, 10830, 11142, 11761, 12380, 12996, 14440, 14856, 16245, 18570, 21660, 22284, 23522, 24760, 25992, 27855, 32490, 35283, 37140, 43320, 44568, 47044, 55710, 58805, 64980, 70566, 74280, 94088, 105849, 111420, 117610, 129960, 141132, 176415, 211698, 222840, 223459, 235220, 282264, 352830, 423396, 446918, 470440, 529245, 670377, 705660, 846792, 893836, 1058490, 1117295, 1340754, 1411320, 1787672, 2011131, 2116980, 2234590, 2681508, 3351885, 4022262, 4233960, 4469180, 5363016, 6703770, 8044524, 8938360, 10055655, 13407540, 16089048, 20111310, 26815080, 40222620, 80445240]

約数ペア:

[(1, 80445240), (2, 40222620), (3, 26815080), (4, 20111310), (5, 16089048), (6, 13407540), (8, 10055655), (9, 8938360), (10, 8044524), (12, 6703770), (15, 5363016), (18, 4469180), (19, 4233960), (20, 4022262), (24, 3351885), (30, 2681508), (36, 2234590), (38, 2116980), (40, 2011131), (45, 1787672), (57, 1411320), (60, 1340754), (72, 1117295), (76, 1058490), (90, 893836), (95, 846792), (114, 705660), (120, 670377), (152, 529245), (171, 470440), (180, 446918), (190, 423396), (228, 352830), (285, 282264), (342, 235220), (360, 223459), (361, 222840), (380, 211698), (456, 176415), (570, 141132), (619, 129960), (684, 117610), (722, 111420), (760, 105849), (855, 94088), (1083, 74280), (1140, 70566), (1238, 64980), (1368, 58805), (1444, 55710), (1710, 47044), (1805, 44568), (1857, 43320), (2166, 37140), (2280, 35283), (2476, 32490), (2888, 27855), (3095, 25992), (3249, 24760), (3420, 23522), (3610, 22284), (3714, 21660), (4332, 18570), (4952, 16245), (5415, 14856), (5571, 14440), (6190, 12996), (6498, 12380), (6840, 11761), (7220, 11142), (7428, 10830), (8664, 9285)]