31491600

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:214

約数の個数: 240

約数和(自身を含む): 121039872

約数和(自身を除く): 89548272

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 25, 28, 30, 35, 40, 42, 46, 48, 50, 56, 60, 69, 70, 75, 80, 84, 92, 100, 105, 112, 115, 120, 138, 140, 150, 161, 163, 168, 175, 184, 200, 210, 230, 240, 276, 280, 300, 322, 326, 336, 345, 350, 368, 400, 420, 460, 483, 489, 525, 552, 560, 575, 600, 644, 652, 690, 700, 805, 815, 840, 920, 966, 978, 1050, 1104, 1141, 1150, 1200, 1288, 1304, 1380, 1400, 1610, 1630, 1680, 1725, 1840, 1932, 1956, 2100, 2282, 2300, 2415, 2445, 2576, 2608, 2760, 2800, 3220, 3260, 3423, 3450, 3749, 3864, 3912, 4025, 4075, 4200, 4564, 4600, 4830, 4890, 5520, 5705, 6440, 6520, 6846, 6900, 7498, 7728, 7824, 8050, 8150, 8400, 9128, 9200, 9660, 9780, 11247, 11410, 12075, 12225, 12880, 13040, 13692, 13800, 14996, 16100, 16300, 17115, 18256, 18745, 19320, 19560, 22494, 22820, 24150, 24450, 26243, 27384, 27600, 28525, 29992, 32200, 32600, 34230, 37490, 38640, 39120, 44988, 45640, 48300, 48900, 52486, 54768, 56235, 57050, 59984, 64400, 65200, 68460, 74980, 78729, 85575, 89976, 91280, 93725, 96600, 97800, 104972, 112470, 114100, 131215, 136920, 149960, 157458, 171150, 179952, 187450, 193200, 195600, 209944, 224940, 228200, 262430, 273840, 281175, 299920, 314916, 342300, 374900, 393645, 419888, 449880, 456400, 524860, 562350, 629832, 656075, 684600, 749800, 787290, 899760, 1049720, 1124700, 1259664, 1312150, 1369200, 1499600, 1574580, 1968225, 2099440, 2249400, 2624300, 3149160, 3936450, 4498800, 5248600, 6298320, 7872900, 10497200, 15745800, 31491600]

約数ペア:

[(1, 31491600), (2, 15745800), (3, 10497200), (4, 7872900), (5, 6298320), (6, 5248600), (7, 4498800), (8, 3936450), (10, 3149160), (12, 2624300), (14, 2249400), (15, 2099440), (16, 1968225), (20, 1574580), (21, 1499600), (23, 1369200), (24, 1312150), (25, 1259664), (28, 1124700), (30, 1049720), (35, 899760), (40, 787290), (42, 749800), (46, 684600), (48, 656075), (50, 629832), (56, 562350), (60, 524860), (69, 456400), (70, 449880), (75, 419888), (80, 393645), (84, 374900), (92, 342300), (100, 314916), (105, 299920), (112, 281175), (115, 273840), (120, 262430), (138, 228200), (140, 224940), (150, 209944), (161, 195600), (163, 193200), (168, 187450), (175, 179952), (184, 171150), (200, 157458), (210, 149960), (230, 136920), (240, 131215), (276, 114100), (280, 112470), (300, 104972), (322, 97800), (326, 96600), (336, 93725), (345, 91280), (350, 89976), (368, 85575), (400, 78729), (420, 74980), (460, 68460), (483, 65200), (489, 64400), (525, 59984), (552, 57050), (560, 56235), (575, 54768), (600, 52486), (644, 48900), (652, 48300), (690, 45640), (700, 44988), (805, 39120), (815, 38640), (840, 37490), (920, 34230), (966, 32600), (978, 32200), (1050, 29992), (1104, 28525), (1141, 27600), (1150, 27384), (1200, 26243), (1288, 24450), (1304, 24150), (1380, 22820), (1400, 22494), (1610, 19560), (1630, 19320), (1680, 18745), (1725, 18256), (1840, 17115), (1932, 16300), (1956, 16100), (2100, 14996), (2282, 13800), (2300, 13692), (2415, 13040), (2445, 12880), (2576, 12225), (2608, 12075), (2760, 11410), (2800, 11247), (3220, 9780), (3260, 9660), (3423, 9200), (3450, 9128), (3749, 8400), (3864, 8150), (3912, 8050), (4025, 7824), (4075, 7728), (4200, 7498), (4564, 6900), (4600, 6846), (4830, 6520), (4890, 6440), (5520, 5705)]