28783440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{5711}}^1$

素因数の和:5737

約数の個数: 120

約数和(自身を含む): 110492928

約数和(自身を除く): 81709488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 5711, 11422, 17133, 22844, 28555, 34266, 39977, 45688, 51399, 57110, 68532, 79954, 85665, 91376, 102798, 114220, 119931, 137064, 159908, 171330, 199885, 205596, 228440, 239862, 256995, 274128, 319816, 342660, 359793, 399770, 411192, 456880, 479724, 513990, 599655, 639632, 685320, 719586, 799540, 822384, 959448, 1027980, 1199310, 1370640, 1439172, 1599080, 1798965, 1918896, 2055960, 2398620, 2878344, 3198160, 3597930, 4111920, 4797240, 5756688, 7195860, 9594480, 14391720, 28783440]

約数ペア:

[(1, 28783440), (2, 14391720), (3, 9594480), (4, 7195860), (5, 5756688), (6, 4797240), (7, 4111920), (8, 3597930), (9, 3198160), (10, 2878344), (12, 2398620), (14, 2055960), (15, 1918896), (16, 1798965), (18, 1599080), (20, 1439172), (21, 1370640), (24, 1199310), (28, 1027980), (30, 959448), (35, 822384), (36, 799540), (40, 719586), (42, 685320), (45, 639632), (48, 599655), (56, 513990), (60, 479724), (63, 456880), (70, 411192), (72, 399770), (80, 359793), (84, 342660), (90, 319816), (105, 274128), (112, 256995), (120, 239862), (126, 228440), (140, 205596), (144, 199885), (168, 171330), (180, 159908), (210, 137064), (240, 119931), (252, 114220), (280, 102798), (315, 91376), (336, 85665), (360, 79954), (420, 68532), (504, 57110), (560, 51399), (630, 45688), (720, 39977), (840, 34266), (1008, 28555), (1260, 22844), (1680, 17133), (2520, 11422), (5040, 5711)]