256929840

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{6997}}^1$

素因数の和:7036

約数の個数: 160

約数和(自身を含む): 937172160

約数和(自身を除く): 680242320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 48, 51, 54, 60, 68, 72, 80, 85, 90, 102, 108, 120, 135, 136, 144, 153, 170, 180, 204, 216, 240, 255, 270, 272, 306, 340, 360, 408, 432, 459, 510, 540, 612, 680, 720, 765, 816, 918, 1020, 1080, 1224, 1360, 1530, 1836, 2040, 2160, 2295, 2448, 3060, 3672, 4080, 4590, 6120, 6997, 7344, 9180, 12240, 13994, 18360, 20991, 27988, 34985, 36720, 41982, 55976, 62973, 69970, 83964, 104955, 111952, 118949, 125946, 139940, 167928, 188919, 209910, 237898, 251892, 279880, 314865, 335856, 356847, 377838, 419820, 475796, 503784, 559760, 594745, 629730, 713694, 755676, 839640, 944595, 951592, 1007568, 1070541, 1189490, 1259460, 1427388, 1511352, 1679280, 1784235, 1889190, 1903184, 2141082, 2378980, 2518920, 2854776, 3022704, 3211623, 3568470, 3778380, 4282164, 4757960, 5037840, 5352705, 5709552, 6423246, 7136940, 7556760, 8564328, 9515920, 10705410, 12846492, 14273880, 15113520, 16058115, 17128656, 21410820, 25692984, 28547760, 32116230, 42821640, 51385968, 64232460, 85643280, 128464920, 256929840]

約数ペア:

[(1, 256929840), (2, 128464920), (3, 85643280), (4, 64232460), (5, 51385968), (6, 42821640), (8, 32116230), (9, 28547760), (10, 25692984), (12, 21410820), (15, 17128656), (16, 16058115), (17, 15113520), (18, 14273880), (20, 12846492), (24, 10705410), (27, 9515920), (30, 8564328), (34, 7556760), (36, 7136940), (40, 6423246), (45, 5709552), (48, 5352705), (51, 5037840), (54, 4757960), (60, 4282164), (68, 3778380), (72, 3568470), (80, 3211623), (85, 3022704), (90, 2854776), (102, 2518920), (108, 2378980), (120, 2141082), (135, 1903184), (136, 1889190), (144, 1784235), (153, 1679280), (170, 1511352), (180, 1427388), (204, 1259460), (216, 1189490), (240, 1070541), (255, 1007568), (270, 951592), (272, 944595), (306, 839640), (340, 755676), (360, 713694), (408, 629730), (432, 594745), (459, 559760), (510, 503784), (540, 475796), (612, 419820), (680, 377838), (720, 356847), (765, 335856), (816, 314865), (918, 279880), (1020, 251892), (1080, 237898), (1224, 209910), (1360, 188919), (1530, 167928), (1836, 139940), (2040, 125946), (2160, 118949), (2295, 111952), (2448, 104955), (3060, 83964), (3672, 69970), (4080, 62973), (4590, 55976), (6120, 41982), (6997, 36720), (7344, 34985), (9180, 27988), (12240, 20991), (13994, 18360)]