26699940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:282

約数の個数: 144

約数和(自身を含む): 87971520

約数和(自身を除く): 61271580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 57, 60, 74, 76, 90, 95, 111, 114, 148, 171, 180, 185, 190, 211, 222, 228, 285, 333, 342, 370, 380, 422, 444, 555, 570, 633, 666, 684, 703, 740, 844, 855, 1055, 1110, 1140, 1266, 1332, 1406, 1665, 1710, 1899, 2109, 2110, 2220, 2532, 2812, 3165, 3330, 3420, 3515, 3798, 4009, 4218, 4220, 6327, 6330, 6660, 7030, 7596, 7807, 8018, 8436, 9495, 10545, 12027, 12654, 12660, 14060, 15614, 16036, 18990, 20045, 21090, 23421, 24054, 25308, 31228, 31635, 36081, 37980, 39035, 40090, 42180, 46842, 48108, 60135, 63270, 70263, 72162, 78070, 80180, 93684, 117105, 120270, 126540, 140526, 144324, 148333, 156140, 180405, 234210, 240540, 281052, 296666, 351315, 360810, 444999, 468420, 593332, 702630, 721620, 741665, 889998, 1334997, 1405260, 1483330, 1779996, 2224995, 2669994, 2966660, 4449990, 5339988, 6674985, 8899980, 13349970, 26699940]

約数ペア:

[(1, 26699940), (2, 13349970), (3, 8899980), (4, 6674985), (5, 5339988), (6, 4449990), (9, 2966660), (10, 2669994), (12, 2224995), (15, 1779996), (18, 1483330), (19, 1405260), (20, 1334997), (30, 889998), (36, 741665), (37, 721620), (38, 702630), (45, 593332), (57, 468420), (60, 444999), (74, 360810), (76, 351315), (90, 296666), (95, 281052), (111, 240540), (114, 234210), (148, 180405), (171, 156140), (180, 148333), (185, 144324), (190, 140526), (211, 126540), (222, 120270), (228, 117105), (285, 93684), (333, 80180), (342, 78070), (370, 72162), (380, 70263), (422, 63270), (444, 60135), (555, 48108), (570, 46842), (633, 42180), (666, 40090), (684, 39035), (703, 37980), (740, 36081), (844, 31635), (855, 31228), (1055, 25308), (1110, 24054), (1140, 23421), (1266, 21090), (1332, 20045), (1406, 18990), (1665, 16036), (1710, 15614), (1899, 14060), (2109, 12660), (2110, 12654), (2220, 12027), (2532, 10545), (2812, 9495), (3165, 8436), (3330, 8018), (3420, 7807), (3515, 7596), (3798, 7030), (4009, 6660), (4218, 6330), (4220, 6327)]