845017020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{1171}}^1$

素因数の和:1416

約数の個数: 144

約数和(自身を含む): 2713226880

約数和(自身を除く): 1868209860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 211, 228, 285, 342, 380, 422, 570, 633, 684, 844, 855, 1055, 1140, 1171, 1266, 1710, 1899, 2110, 2342, 2532, 3165, 3420, 3513, 3798, 4009, 4220, 4684, 5855, 6330, 7026, 7596, 8018, 9495, 10539, 11710, 12027, 12660, 14052, 16036, 17565, 18990, 20045, 21078, 22249, 23420, 24054, 35130, 36081, 37980, 40090, 42156, 44498, 48108, 52695, 60135, 66747, 70260, 72162, 80180, 88996, 105390, 111245, 120270, 133494, 144324, 180405, 200241, 210780, 222490, 240540, 247081, 266988, 333735, 360810, 400482, 444980, 494162, 667470, 721620, 741243, 800964, 988324, 1001205, 1235405, 1334940, 1482486, 2002410, 2223729, 2470810, 2964972, 3706215, 4004820, 4447458, 4694539, 4941620, 7412430, 8894916, 9389078, 11118645, 14083617, 14824860, 18778156, 22237290, 23472695, 28167234, 42250851, 44474580, 46945390, 56334468, 70418085, 84501702, 93890780, 140836170, 169003404, 211254255, 281672340, 422508510, 845017020]

約数ペア:

[(1, 845017020), (2, 422508510), (3, 281672340), (4, 211254255), (5, 169003404), (6, 140836170), (9, 93890780), (10, 84501702), (12, 70418085), (15, 56334468), (18, 46945390), (19, 44474580), (20, 42250851), (30, 28167234), (36, 23472695), (38, 22237290), (45, 18778156), (57, 14824860), (60, 14083617), (76, 11118645), (90, 9389078), (95, 8894916), (114, 7412430), (171, 4941620), (180, 4694539), (190, 4447458), (211, 4004820), (228, 3706215), (285, 2964972), (342, 2470810), (380, 2223729), (422, 2002410), (570, 1482486), (633, 1334940), (684, 1235405), (844, 1001205), (855, 988324), (1055, 800964), (1140, 741243), (1171, 721620), (1266, 667470), (1710, 494162), (1899, 444980), (2110, 400482), (2342, 360810), (2532, 333735), (3165, 266988), (3420, 247081), (3513, 240540), (3798, 222490), (4009, 210780), (4220, 200241), (4684, 180405), (5855, 144324), (6330, 133494), (7026, 120270), (7596, 111245), (8018, 105390), (9495, 88996), (10539, 80180), (11710, 72162), (12027, 70260), (12660, 66747), (14052, 60135), (16036, 52695), (17565, 48108), (18990, 44498), (20045, 42156), (21078, 40090), (22249, 37980), (23420, 36081), (24054, 35130)]