215470260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21001}}^1$

素因数の和:21038

約数の個数: 96

約数和(自身を含む): 705667200

約数和(自身を除く): 490196940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 285, 342, 380, 513, 540, 570, 684, 855, 1026, 1140, 1710, 2052, 2565, 3420, 5130, 10260, 21001, 42002, 63003, 84004, 105005, 126006, 189009, 210010, 252012, 315015, 378018, 399019, 420020, 567027, 630030, 756036, 798038, 945045, 1134054, 1197057, 1260060, 1596076, 1890090, 1995095, 2268108, 2394114, 2835135, 3591171, 3780180, 3990190, 4788228, 5670270, 5985285, 7182342, 7980380, 10773513, 11340540, 11970570, 14364684, 17955855, 21547026, 23941140, 35911710, 43094052, 53867565, 71823420, 107735130, 215470260]

約数ペア:

[(1, 215470260), (2, 107735130), (3, 71823420), (4, 53867565), (5, 43094052), (6, 35911710), (9, 23941140), (10, 21547026), (12, 17955855), (15, 14364684), (18, 11970570), (19, 11340540), (20, 10773513), (27, 7980380), (30, 7182342), (36, 5985285), (38, 5670270), (45, 4788228), (54, 3990190), (57, 3780180), (60, 3591171), (76, 2835135), (90, 2394114), (95, 2268108), (108, 1995095), (114, 1890090), (135, 1596076), (171, 1260060), (180, 1197057), (190, 1134054), (228, 945045), (270, 798038), (285, 756036), (342, 630030), (380, 567027), (513, 420020), (540, 399019), (570, 378018), (684, 315015), (855, 252012), (1026, 210010), (1140, 189009), (1710, 126006), (2052, 105005), (2565, 84004), (3420, 63003), (5130, 42002), (10260, 21001)]