1871467520

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{907}}^1$

素因数の和:976

約数の個数: 176

約数和(自身を含む): 4996121088

約数和(自身を除く): 3124653568

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, 310, 320, 403, 416, 496, 512, 520, 620, 640, 806, 832, 907, 992, 1024, 1040, 1240, 1280, 1612, 1664, 1814, 1984, 2015, 2080, 2480, 2560, 3224, 3328, 3628, 3968, 4030, 4160, 4535, 4960, 5120, 6448, 6656, 7256, 7936, 8060, 8320, 9070, 9920, 11791, 12896, 13312, 14512, 15872, 16120, 16640, 18140, 19840, 23582, 25792, 28117, 29024, 31744, 32240, 33280, 36280, 39680, 47164, 51584, 56234, 58048, 58955, 64480, 66560, 72560, 79360, 94328, 103168, 112468, 116096, 117910, 128960, 140585, 145120, 158720, 188656, 206336, 224936, 232192, 235820, 257920, 281170, 290240, 365521, 377312, 412672, 449872, 464384, 471640, 515840, 562340, 580480, 731042, 754624, 899744, 928768, 943280, 1031680, 1124680, 1160960, 1462084, 1509248, 1799488, 1827605, 1886560, 2063360, 2249360, 2321920, 2924168, 3018496, 3598976, 3655210, 3773120, 4498720, 4643840, 5848336, 6036992, 7197952, 7310420, 7546240, 8997440, 11696672, 12073984, 14395904, 14620840, 15092480, 17994880, 23393344, 28791808, 29241680, 30184960, 35989760, 46786688, 58483360, 60369920, 71979520, 93573376, 116966720, 143959040, 187146752, 233933440, 374293504, 467866880, 935733760, 1871467520]

約数ペア:

[(1, 1871467520), (2, 935733760), (4, 467866880), (5, 374293504), (8, 233933440), (10, 187146752), (13, 143959040), (16, 116966720), (20, 93573376), (26, 71979520), (31, 60369920), (32, 58483360), (40, 46786688), (52, 35989760), (62, 30184960), (64, 29241680), (65, 28791808), (80, 23393344), (104, 17994880), (124, 15092480), (128, 14620840), (130, 14395904), (155, 12073984), (160, 11696672), (208, 8997440), (248, 7546240), (256, 7310420), (260, 7197952), (310, 6036992), (320, 5848336), (403, 4643840), (416, 4498720), (496, 3773120), (512, 3655210), (520, 3598976), (620, 3018496), (640, 2924168), (806, 2321920), (832, 2249360), (907, 2063360), (992, 1886560), (1024, 1827605), (1040, 1799488), (1240, 1509248), (1280, 1462084), (1612, 1160960), (1664, 1124680), (1814, 1031680), (1984, 943280), (2015, 928768), (2080, 899744), (2480, 754624), (2560, 731042), (3224, 580480), (3328, 562340), (3628, 515840), (3968, 471640), (4030, 464384), (4160, 449872), (4535, 412672), (4960, 377312), (5120, 365521), (6448, 290240), (6656, 281170), (7256, 257920), (7936, 235820), (8060, 232192), (8320, 224936), (9070, 206336), (9920, 188656), (11791, 158720), (12896, 145120), (13312, 140585), (14512, 128960), (15872, 117910), (16120, 116096), (16640, 112468), (18140, 103168), (19840, 94328), (23582, 79360), (25792, 72560), (28117, 66560), (29024, 64480), (31744, 58955), (32240, 58048), (33280, 56234), (36280, 51584), (39680, 47164)]