31474560

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{97}}^1$

素因数の和:145

約数の個数: 192

約数和(自身を含む): 109756080

約数和(自身を除く): 78281520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 97, 104, 120, 128, 130, 156, 160, 169, 192, 194, 195, 208, 240, 260, 291, 312, 320, 338, 384, 388, 390, 416, 480, 485, 507, 520, 582, 624, 640, 676, 776, 780, 832, 845, 960, 970, 1014, 1040, 1164, 1248, 1261, 1352, 1455, 1552, 1560, 1664, 1690, 1920, 1940, 2028, 2080, 2328, 2496, 2522, 2535, 2704, 2910, 3104, 3120, 3380, 3783, 3880, 4056, 4160, 4656, 4992, 5044, 5070, 5408, 5820, 6208, 6240, 6305, 6760, 7566, 7760, 8112, 8320, 9312, 10088, 10140, 10816, 11640, 12416, 12480, 12610, 13520, 15132, 15520, 16224, 16393, 18624, 18915, 20176, 20280, 21632, 23280, 24960, 25220, 27040, 30264, 31040, 32448, 32786, 37248, 37830, 40352, 40560, 46560, 49179, 50440, 54080, 60528, 62080, 64896, 65572, 75660, 80704, 81120, 81965, 93120, 98358, 100880, 108160, 121056, 131144, 151320, 161408, 162240, 163930, 186240, 196716, 201760, 242112, 245895, 262288, 302640, 324480, 327860, 393432, 403520, 484224, 491790, 524576, 605280, 655720, 786864, 807040, 983580, 1049152, 1210560, 1311440, 1573728, 1967160, 2098304, 2421120, 2622880, 3147456, 3934320, 5245760, 6294912, 7868640, 10491520, 15737280, 31474560]

約数ペア:

[(1, 31474560), (2, 15737280), (3, 10491520), (4, 7868640), (5, 6294912), (6, 5245760), (8, 3934320), (10, 3147456), (12, 2622880), (13, 2421120), (15, 2098304), (16, 1967160), (20, 1573728), (24, 1311440), (26, 1210560), (30, 1049152), (32, 983580), (39, 807040), (40, 786864), (48, 655720), (52, 605280), (60, 524576), (64, 491790), (65, 484224), (78, 403520), (80, 393432), (96, 327860), (97, 324480), (104, 302640), (120, 262288), (128, 245895), (130, 242112), (156, 201760), (160, 196716), (169, 186240), (192, 163930), (194, 162240), (195, 161408), (208, 151320), (240, 131144), (260, 121056), (291, 108160), (312, 100880), (320, 98358), (338, 93120), (384, 81965), (388, 81120), (390, 80704), (416, 75660), (480, 65572), (485, 64896), (507, 62080), (520, 60528), (582, 54080), (624, 50440), (640, 49179), (676, 46560), (776, 40560), (780, 40352), (832, 37830), (845, 37248), (960, 32786), (970, 32448), (1014, 31040), (1040, 30264), (1164, 27040), (1248, 25220), (1261, 24960), (1352, 23280), (1455, 21632), (1552, 20280), (1560, 20176), (1664, 18915), (1690, 18624), (1920, 16393), (1940, 16224), (2028, 15520), (2080, 15132), (2328, 13520), (2496, 12610), (2522, 12480), (2535, 12416), (2704, 11640), (2910, 10816), (3104, 10140), (3120, 10088), (3380, 9312), (3783, 8320), (3880, 8112), (4056, 7760), (4160, 7566), (4656, 6760), (4992, 6305), (5044, 6240), (5070, 6208), (5408, 5820)]