31621320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1$

素因数の和:129

約数の個数: 256

約数和(自身を含む): 117504000

約数和(自身を除く): 85882680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 23, 24, 27, 30, 36, 38, 40, 45, 46, 54, 57, 60, 67, 69, 72, 76, 90, 92, 95, 108, 114, 115, 120, 134, 135, 138, 152, 171, 180, 184, 190, 201, 207, 216, 228, 230, 268, 270, 276, 285, 335, 342, 345, 360, 380, 402, 414, 437, 456, 460, 513, 536, 540, 552, 570, 603, 621, 670, 684, 690, 760, 804, 828, 855, 874, 920, 1005, 1026, 1035, 1080, 1140, 1206, 1242, 1273, 1311, 1340, 1368, 1380, 1541, 1608, 1656, 1710, 1748, 1809, 2010, 2052, 2070, 2185, 2280, 2412, 2484, 2546, 2565, 2622, 2680, 2760, 3015, 3082, 3105, 3420, 3496, 3618, 3819, 3933, 4020, 4104, 4140, 4370, 4623, 4824, 4968, 5092, 5130, 5244, 6030, 6164, 6210, 6365, 6555, 6840, 7236, 7638, 7705, 7866, 8040, 8280, 8740, 9045, 9246, 10184, 10260, 10488, 11457, 11799, 12060, 12328, 12420, 12730, 13110, 13869, 14472, 15276, 15410, 15732, 17480, 18090, 18492, 19095, 19665, 20520, 22914, 23115, 23598, 24120, 24840, 25460, 26220, 27738, 29279, 30552, 30820, 31464, 34371, 36180, 36984, 38190, 39330, 41607, 45828, 46230, 47196, 50920, 52440, 55476, 57285, 58558, 58995, 61640, 68742, 69345, 72360, 76380, 78660, 83214, 87837, 91656, 92460, 94392, 110952, 114570, 117116, 117990, 137484, 138690, 146395, 152760, 157320, 166428, 171855, 175674, 184920, 208035, 229140, 234232, 235980, 263511, 274968, 277380, 292790, 332856, 343710, 351348, 416070, 439185, 458280, 471960, 527022, 554760, 585580, 687420, 702696, 790533, 832140, 878370, 1054044, 1171160, 1317555, 1374840, 1581066, 1664280, 1756740, 2108088, 2635110, 3162132, 3513480, 3952665, 5270220, 6324264, 7905330, 10540440, 15810660, 31621320]

約数ペア:

[(1, 31621320), (2, 15810660), (3, 10540440), (4, 7905330), (5, 6324264), (6, 5270220), (8, 3952665), (9, 3513480), (10, 3162132), (12, 2635110), (15, 2108088), (18, 1756740), (19, 1664280), (20, 1581066), (23, 1374840), (24, 1317555), (27, 1171160), (30, 1054044), (36, 878370), (38, 832140), (40, 790533), (45, 702696), (46, 687420), (54, 585580), (57, 554760), (60, 527022), (67, 471960), (69, 458280), (72, 439185), (76, 416070), (90, 351348), (92, 343710), (95, 332856), (108, 292790), (114, 277380), (115, 274968), (120, 263511), (134, 235980), (135, 234232), (138, 229140), (152, 208035), (171, 184920), (180, 175674), (184, 171855), (190, 166428), (201, 157320), (207, 152760), (216, 146395), (228, 138690), (230, 137484), (268, 117990), (270, 117116), (276, 114570), (285, 110952), (335, 94392), (342, 92460), (345, 91656), (360, 87837), (380, 83214), (402, 78660), (414, 76380), (437, 72360), (456, 69345), (460, 68742), (513, 61640), (536, 58995), (540, 58558), (552, 57285), (570, 55476), (603, 52440), (621, 50920), (670, 47196), (684, 46230), (690, 45828), (760, 41607), (804, 39330), (828, 38190), (855, 36984), (874, 36180), (920, 34371), (1005, 31464), (1026, 30820), (1035, 30552), (1080, 29279), (1140, 27738), (1206, 26220), (1242, 25460), (1273, 24840), (1311, 24120), (1340, 23598), (1368, 23115), (1380, 22914), (1541, 20520), (1608, 19665), (1656, 19095), (1710, 18492), (1748, 18090), (1809, 17480), (2010, 15732), (2052, 15410), (2070, 15276), (2185, 14472), (2280, 13869), (2412, 13110), (2484, 12730), (2546, 12420), (2565, 12328), (2622, 12060), (2680, 11799), (2760, 11457), (3015, 10488), (3082, 10260), (3105, 10184), (3420, 9246), (3496, 9045), (3618, 8740), (3819, 8280), (3933, 8040), (4020, 7866), (4104, 7705), (4140, 7638), (4370, 7236), (4623, 6840), (4824, 6555), (4968, 6365), (5092, 6210), (5130, 6164), (5244, 6030)]