31261440

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{1163}}^1$

素因数の和:1194

約数の個数: 144

約数和(自身を含む): 114202368

約数和(自身を除く): 82940928

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1163, 1280, 1344, 1680, 1792, 1920, 2240, 2326, 2688, 3360, 3489, 3840, 4480, 4652, 5376, 5815, 6720, 6978, 8141, 8960, 9304, 11630, 13440, 13956, 16282, 17445, 18608, 23260, 24423, 26880, 27912, 32564, 34890, 37216, 40705, 46520, 48846, 55824, 65128, 69780, 74432, 81410, 93040, 97692, 111648, 122115, 130256, 139560, 148864, 162820, 186080, 195384, 223296, 244230, 260512, 279120, 297728, 325640, 372160, 390768, 446592, 488460, 521024, 558240, 651280, 744320, 781536, 893184, 976920, 1042048, 1116480, 1302560, 1488640, 1563072, 1953840, 2084096, 2232960, 2605120, 3126144, 3907680, 4465920, 5210240, 6252288, 7815360, 10420480, 15630720, 31261440]

約数ペア:

[(1, 31261440), (2, 15630720), (3, 10420480), (4, 7815360), (5, 6252288), (6, 5210240), (7, 4465920), (8, 3907680), (10, 3126144), (12, 2605120), (14, 2232960), (15, 2084096), (16, 1953840), (20, 1563072), (21, 1488640), (24, 1302560), (28, 1116480), (30, 1042048), (32, 976920), (35, 893184), (40, 781536), (42, 744320), (48, 651280), (56, 558240), (60, 521024), (64, 488460), (70, 446592), (80, 390768), (84, 372160), (96, 325640), (105, 297728), (112, 279120), (120, 260512), (128, 244230), (140, 223296), (160, 195384), (168, 186080), (192, 162820), (210, 148864), (224, 139560), (240, 130256), (256, 122115), (280, 111648), (320, 97692), (336, 93040), (384, 81410), (420, 74432), (448, 69780), (480, 65128), (560, 55824), (640, 48846), (672, 46520), (768, 40705), (840, 37216), (896, 34890), (960, 32564), (1120, 27912), (1163, 26880), (1280, 24423), (1344, 23260), (1680, 18608), (1792, 17445), (1920, 16282), (2240, 13956), (2326, 13440), (2688, 11630), (3360, 9304), (3489, 8960), (3840, 8141), (4480, 6978), (4652, 6720), (5376, 5815)]