142887680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1$

素因数の和:342

約数の個数: 144

約数和(自身を含む): 381851904

約数和(自身を除く): 238964224

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 277, 310, 320, 403, 416, 496, 520, 554, 620, 640, 806, 832, 992, 1040, 1108, 1240, 1280, 1385, 1612, 1664, 1984, 2015, 2080, 2216, 2480, 2770, 3224, 3328, 3601, 3968, 4030, 4160, 4432, 4960, 5540, 6448, 7202, 7936, 8060, 8320, 8587, 8864, 9920, 11080, 12896, 14404, 16120, 16640, 17174, 17728, 18005, 19840, 22160, 25792, 28808, 32240, 34348, 35456, 36010, 39680, 42935, 44320, 51584, 57616, 64480, 68696, 70912, 72020, 85870, 88640, 103168, 111631, 115232, 128960, 137392, 144040, 171740, 177280, 223262, 230464, 257920, 274784, 288080, 343480, 354560, 446524, 460928, 515840, 549568, 558155, 576160, 686960, 893048, 921856, 1099136, 1116310, 1152320, 1373920, 1786096, 2198272, 2232620, 2304640, 2747840, 3572192, 4465240, 4609280, 5495680, 7144384, 8930480, 10991360, 14288768, 17860960, 28577536, 35721920, 71443840, 142887680]

約数ペア:

[(1, 142887680), (2, 71443840), (4, 35721920), (5, 28577536), (8, 17860960), (10, 14288768), (13, 10991360), (16, 8930480), (20, 7144384), (26, 5495680), (31, 4609280), (32, 4465240), (40, 3572192), (52, 2747840), (62, 2304640), (64, 2232620), (65, 2198272), (80, 1786096), (104, 1373920), (124, 1152320), (128, 1116310), (130, 1099136), (155, 921856), (160, 893048), (208, 686960), (248, 576160), (256, 558155), (260, 549568), (277, 515840), (310, 460928), (320, 446524), (403, 354560), (416, 343480), (496, 288080), (520, 274784), (554, 257920), (620, 230464), (640, 223262), (806, 177280), (832, 171740), (992, 144040), (1040, 137392), (1108, 128960), (1240, 115232), (1280, 111631), (1385, 103168), (1612, 88640), (1664, 85870), (1984, 72020), (2015, 70912), (2080, 68696), (2216, 64480), (2480, 57616), (2770, 51584), (3224, 44320), (3328, 42935), (3601, 39680), (3968, 36010), (4030, 35456), (4160, 34348), (4432, 32240), (4960, 28808), (5540, 25792), (6448, 22160), (7202, 19840), (7936, 18005), (8060, 17728), (8320, 17174), (8587, 16640), (8864, 16120), (9920, 14404), (11080, 12896)]