1234405120

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2393}}^1$

素因数の和:2458

約数の個数: 144

約数和(自身を含む): 3288321792

約数和(自身を除く): 2053916672

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, 520, 620, 640, 806, 832, 992, 1040, 1240, 1280, 1612, 1664, 1984, 2015, 2080, 2393, 2480, 3224, 3328, 3968, 4030, 4160, 4786, 4960, 6448, 7936, 8060, 8320, 9572, 9920, 11965, 12896, 16120, 16640, 19144, 19840, 23930, 25792, 31109, 32240, 38288, 39680, 47860, 51584, 62218, 64480, 74183, 76576, 95720, 103168, 124436, 128960, 148366, 153152, 155545, 191440, 248872, 257920, 296732, 306304, 311090, 370915, 382880, 497744, 515840, 593464, 612608, 622180, 741830, 765760, 964379, 995488, 1186928, 1244360, 1483660, 1531520, 1928758, 1990976, 2373856, 2488720, 2967320, 3063040, 3857516, 3981952, 4747712, 4821895, 4977440, 5934640, 7715032, 7963904, 9495424, 9643790, 9954880, 11869280, 15430064, 18990848, 19287580, 19909760, 23738560, 30860128, 38575160, 39819520, 47477120, 61720256, 77150320, 94954240, 123440512, 154300640, 246881024, 308601280, 617202560, 1234405120]

約数ペア:

[(1, 1234405120), (2, 617202560), (4, 308601280), (5, 246881024), (8, 154300640), (10, 123440512), (13, 94954240), (16, 77150320), (20, 61720256), (26, 47477120), (31, 39819520), (32, 38575160), (40, 30860128), (52, 23738560), (62, 19909760), (64, 19287580), (65, 18990848), (80, 15430064), (104, 11869280), (124, 9954880), (128, 9643790), (130, 9495424), (155, 7963904), (160, 7715032), (208, 5934640), (248, 4977440), (256, 4821895), (260, 4747712), (310, 3981952), (320, 3857516), (403, 3063040), (416, 2967320), (496, 2488720), (520, 2373856), (620, 1990976), (640, 1928758), (806, 1531520), (832, 1483660), (992, 1244360), (1040, 1186928), (1240, 995488), (1280, 964379), (1612, 765760), (1664, 741830), (1984, 622180), (2015, 612608), (2080, 593464), (2393, 515840), (2480, 497744), (3224, 382880), (3328, 370915), (3968, 311090), (4030, 306304), (4160, 296732), (4786, 257920), (4960, 248872), (6448, 191440), (7936, 155545), (8060, 153152), (8320, 148366), (9572, 128960), (9920, 124436), (11965, 103168), (12896, 95720), (16120, 76576), (16640, 74183), (19144, 64480), (19840, 62218), (23930, 51584), (25792, 47860), (31109, 39680), (32240, 38288)]