71771960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1$

素因数の和:417

約数の個数: 128

約数和(自身を含む): 192689280

約数和(自身を除く): 120917320

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 23, 26, 34, 40, 46, 52, 65, 68, 85, 92, 104, 115, 130, 136, 170, 184, 221, 230, 260, 299, 340, 353, 391, 442, 460, 520, 598, 680, 706, 782, 884, 920, 1105, 1196, 1412, 1495, 1564, 1765, 1768, 1955, 2210, 2392, 2824, 2990, 3128, 3530, 3910, 4420, 4589, 5083, 5980, 6001, 7060, 7820, 8119, 8840, 9178, 10166, 11960, 12002, 14120, 15640, 16238, 18356, 20332, 22945, 24004, 25415, 30005, 32476, 36712, 40595, 40664, 45890, 48008, 50830, 60010, 64952, 78013, 81190, 91780, 101660, 105547, 120020, 138023, 156026, 162380, 183560, 203320, 211094, 240040, 276046, 312052, 324760, 390065, 422188, 527735, 552092, 624104, 690115, 780130, 844376, 1055470, 1104184, 1380230, 1560260, 1794299, 2110940, 2760460, 3120520, 3588598, 4221880, 5520920, 7177196, 8971495, 14354392, 17942990, 35885980, 71771960]

約数ペア:

[(1, 71771960), (2, 35885980), (4, 17942990), (5, 14354392), (8, 8971495), (10, 7177196), (13, 5520920), (17, 4221880), (20, 3588598), (23, 3120520), (26, 2760460), (34, 2110940), (40, 1794299), (46, 1560260), (52, 1380230), (65, 1104184), (68, 1055470), (85, 844376), (92, 780130), (104, 690115), (115, 624104), (130, 552092), (136, 527735), (170, 422188), (184, 390065), (221, 324760), (230, 312052), (260, 276046), (299, 240040), (340, 211094), (353, 203320), (391, 183560), (442, 162380), (460, 156026), (520, 138023), (598, 120020), (680, 105547), (706, 101660), (782, 91780), (884, 81190), (920, 78013), (1105, 64952), (1196, 60010), (1412, 50830), (1495, 48008), (1564, 45890), (1765, 40664), (1768, 40595), (1955, 36712), (2210, 32476), (2392, 30005), (2824, 25415), (2990, 24004), (3128, 22945), (3530, 20332), (3910, 18356), (4420, 16238), (4589, 15640), (5083, 14120), (5980, 12002), (6001, 11960), (7060, 10166), (7820, 9178), (8119, 8840)]