308601280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2393}}^1$

素因数の和:2454

約数の個数: 112

約数和(自身を含む): 817254144

約数和(自身を除く): 508652864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1984, 2015, 2080, 2393, 2480, 3224, 4030, 4160, 4786, 4960, 6448, 8060, 9572, 9920, 11965, 12896, 16120, 19144, 23930, 25792, 31109, 32240, 38288, 47860, 62218, 64480, 74183, 76576, 95720, 124436, 128960, 148366, 153152, 155545, 191440, 248872, 296732, 311090, 370915, 382880, 497744, 593464, 622180, 741830, 765760, 964379, 995488, 1186928, 1244360, 1483660, 1928758, 1990976, 2373856, 2488720, 2967320, 3857516, 4747712, 4821895, 4977440, 5934640, 7715032, 9643790, 9954880, 11869280, 15430064, 19287580, 23738560, 30860128, 38575160, 61720256, 77150320, 154300640, 308601280]

約数ペア:

[(1, 308601280), (2, 154300640), (4, 77150320), (5, 61720256), (8, 38575160), (10, 30860128), (13, 23738560), (16, 19287580), (20, 15430064), (26, 11869280), (31, 9954880), (32, 9643790), (40, 7715032), (52, 5934640), (62, 4977440), (64, 4821895), (65, 4747712), (80, 3857516), (104, 2967320), (124, 2488720), (130, 2373856), (155, 1990976), (160, 1928758), (208, 1483660), (248, 1244360), (260, 1186928), (310, 995488), (320, 964379), (403, 765760), (416, 741830), (496, 622180), (520, 593464), (620, 497744), (806, 382880), (832, 370915), (992, 311090), (1040, 296732), (1240, 248872), (1612, 191440), (1984, 155545), (2015, 153152), (2080, 148366), (2393, 128960), (2480, 124436), (3224, 95720), (4030, 76576), (4160, 74183), (4786, 64480), (4960, 62218), (6448, 47860), (8060, 38288), (9572, 32240), (9920, 31109), (11965, 25792), (12896, 23930), (16120, 19144)]