31677120

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:687

約数の個数: 168

約数和(自身を含む): 115543584

約数和(自身を除く): 83866464

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 306, 320, 340, 360, 408, 480, 510, 544, 576, 612, 647, 680, 720, 765, 816, 960, 1020, 1088, 1224, 1294, 1360, 1440, 1530, 1632, 1941, 2040, 2448, 2588, 2720, 2880, 3060, 3235, 3264, 3882, 4080, 4896, 5176, 5440, 5823, 6120, 6470, 7764, 8160, 9705, 9792, 10352, 10999, 11646, 12240, 12940, 15528, 16320, 19410, 20704, 21998, 23292, 24480, 25880, 29115, 31056, 32997, 38820, 41408, 43996, 46584, 48960, 51760, 54995, 58230, 62112, 65994, 77640, 87992, 93168, 98991, 103520, 109990, 116460, 124224, 131988, 155280, 164985, 175984, 186336, 197982, 207040, 219980, 232920, 263976, 310560, 329970, 351968, 372672, 395964, 439960, 465840, 494955, 527952, 621120, 659940, 703936, 791928, 879920, 931680, 989910, 1055904, 1319880, 1583856, 1759840, 1863360, 1979820, 2111808, 2639760, 3167712, 3519680, 3959640, 5279520, 6335424, 7919280, 10559040, 15838560, 31677120]

約数ペア:

[(1, 31677120), (2, 15838560), (3, 10559040), (4, 7919280), (5, 6335424), (6, 5279520), (8, 3959640), (9, 3519680), (10, 3167712), (12, 2639760), (15, 2111808), (16, 1979820), (17, 1863360), (18, 1759840), (20, 1583856), (24, 1319880), (30, 1055904), (32, 989910), (34, 931680), (36, 879920), (40, 791928), (45, 703936), (48, 659940), (51, 621120), (60, 527952), (64, 494955), (68, 465840), (72, 439960), (80, 395964), (85, 372672), (90, 351968), (96, 329970), (102, 310560), (120, 263976), (136, 232920), (144, 219980), (153, 207040), (160, 197982), (170, 186336), (180, 175984), (192, 164985), (204, 155280), (240, 131988), (255, 124224), (272, 116460), (288, 109990), (306, 103520), (320, 98991), (340, 93168), (360, 87992), (408, 77640), (480, 65994), (510, 62112), (544, 58230), (576, 54995), (612, 51760), (647, 48960), (680, 46584), (720, 43996), (765, 41408), (816, 38820), (960, 32997), (1020, 31056), (1088, 29115), (1224, 25880), (1294, 24480), (1360, 23292), (1440, 21998), (1530, 20704), (1632, 19410), (1941, 16320), (2040, 15528), (2448, 12940), (2588, 12240), (2720, 11646), (2880, 10999), (3060, 10352), (3235, 9792), (3264, 9705), (3882, 8160), (4080, 7764), (4896, 6470), (5176, 6120), (5440, 5823)]