228775040

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{887}}^1$

素因数の和:950

約数の個数: 128

約数和(自身を含む): 608670720

約数和(自身を除く): 379895680

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, 260, 310, 320, 403, 416, 496, 520, 620, 640, 806, 832, 887, 992, 1040, 1240, 1612, 1664, 1774, 1984, 2015, 2080, 2480, 3224, 3548, 3968, 4030, 4160, 4435, 4960, 6448, 7096, 8060, 8320, 8870, 9920, 11531, 12896, 14192, 16120, 17740, 19840, 23062, 25792, 27497, 28384, 32240, 35480, 46124, 51584, 54994, 56768, 57655, 64480, 70960, 92248, 109988, 113536, 115310, 128960, 137485, 141920, 184496, 219976, 230620, 257920, 274970, 283840, 357461, 368992, 439952, 461240, 549940, 567680, 714922, 737984, 879904, 922480, 1099880, 1429844, 1475968, 1759808, 1787305, 1844960, 2199760, 2859688, 3519616, 3574610, 3689920, 4399520, 5719376, 7149220, 7379840, 8799040, 11438752, 14298440, 17598080, 22877504, 28596880, 45755008, 57193760, 114387520, 228775040]

約数ペア:

[(1, 228775040), (2, 114387520), (4, 57193760), (5, 45755008), (8, 28596880), (10, 22877504), (13, 17598080), (16, 14298440), (20, 11438752), (26, 8799040), (31, 7379840), (32, 7149220), (40, 5719376), (52, 4399520), (62, 3689920), (64, 3574610), (65, 3519616), (80, 2859688), (104, 2199760), (124, 1844960), (128, 1787305), (130, 1759808), (155, 1475968), (160, 1429844), (208, 1099880), (248, 922480), (260, 879904), (310, 737984), (320, 714922), (403, 567680), (416, 549940), (496, 461240), (520, 439952), (620, 368992), (640, 357461), (806, 283840), (832, 274970), (887, 257920), (992, 230620), (1040, 219976), (1240, 184496), (1612, 141920), (1664, 137485), (1774, 128960), (1984, 115310), (2015, 113536), (2080, 109988), (2480, 92248), (3224, 70960), (3548, 64480), (3968, 57655), (4030, 56768), (4160, 54994), (4435, 51584), (4960, 46124), (6448, 35480), (7096, 32240), (8060, 28384), (8320, 27497), (8870, 25792), (9920, 23062), (11531, 19840), (12896, 17740), (14192, 16120)]