128520810

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:533

約数の個数: 128

約数和(自身を含む): 378259200

約数和(自身を除く): 249738390

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 109, 110, 135, 165, 198, 218, 270, 297, 327, 330, 397, 495, 545, 594, 654, 794, 981, 990, 1090, 1191, 1199, 1485, 1635, 1962, 1985, 2382, 2398, 2943, 2970, 3270, 3573, 3597, 3970, 4367, 4905, 5886, 5955, 5995, 7146, 7194, 8734, 9810, 10719, 10791, 11910, 11990, 13101, 14715, 17865, 17985, 21438, 21582, 21835, 26202, 29430, 32373, 35730, 35970, 39303, 43273, 43670, 53595, 53955, 64746, 65505, 78606, 86546, 107190, 107910, 117909, 129819, 131010, 161865, 196515, 216365, 235818, 259638, 323730, 389457, 393030, 432730, 476003, 589545, 649095, 778914, 952006, 1168371, 1179090, 1298190, 1428009, 1947285, 2336742, 2380015, 2856018, 3894570, 4284027, 4760030, 5841855, 7140045, 8568054, 11683710, 12852081, 14280090, 21420135, 25704162, 42840270, 64260405, 128520810]

約数ペア:

[(1, 128520810), (2, 64260405), (3, 42840270), (5, 25704162), (6, 21420135), (9, 14280090), (10, 12852081), (11, 11683710), (15, 8568054), (18, 7140045), (22, 5841855), (27, 4760030), (30, 4284027), (33, 3894570), (45, 2856018), (54, 2380015), (55, 2336742), (66, 1947285), (90, 1428009), (99, 1298190), (109, 1179090), (110, 1168371), (135, 952006), (165, 778914), (198, 649095), (218, 589545), (270, 476003), (297, 432730), (327, 393030), (330, 389457), (397, 323730), (495, 259638), (545, 235818), (594, 216365), (654, 196515), (794, 161865), (981, 131010), (990, 129819), (1090, 117909), (1191, 107910), (1199, 107190), (1485, 86546), (1635, 78606), (1962, 65505), (1985, 64746), (2382, 53955), (2398, 53595), (2943, 43670), (2970, 43273), (3270, 39303), (3573, 35970), (3597, 35730), (3970, 32373), (4367, 29430), (4905, 26202), (5886, 21835), (5955, 21582), (5995, 21438), (7146, 17985), (7194, 17865), (8734, 14715), (9810, 13101), (10719, 11990), (10791, 11910)]