31287480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{313}}^1$

素因数の和:358

約数の個数: 192

約数和(自身を含む): 115979040

約数和(自身を除く): 84691560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 49, 51, 56, 60, 68, 70, 84, 85, 98, 102, 105, 119, 120, 136, 140, 147, 168, 170, 196, 204, 210, 238, 245, 255, 280, 294, 313, 340, 357, 392, 408, 420, 476, 490, 510, 588, 595, 626, 680, 714, 735, 833, 840, 939, 952, 980, 1020, 1176, 1190, 1252, 1428, 1470, 1565, 1666, 1785, 1878, 1960, 2040, 2191, 2380, 2499, 2504, 2856, 2940, 3130, 3332, 3570, 3756, 4165, 4382, 4695, 4760, 4998, 5321, 5880, 6260, 6573, 6664, 7140, 7512, 8330, 8764, 9390, 9996, 10642, 10955, 12495, 12520, 13146, 14280, 15337, 15963, 16660, 17528, 18780, 19992, 21284, 21910, 24990, 26292, 26605, 30674, 31926, 32865, 33320, 37247, 37560, 42568, 43820, 46011, 49980, 52584, 53210, 61348, 63852, 65730, 74494, 76685, 79815, 87640, 92022, 99960, 106420, 111741, 122696, 127704, 131460, 148988, 153370, 159630, 184044, 186235, 212840, 223482, 230055, 260729, 262920, 297976, 306740, 319260, 368088, 372470, 446964, 460110, 521458, 558705, 613480, 638520, 744940, 782187, 893928, 920220, 1042916, 1117410, 1303645, 1489880, 1564374, 1840440, 2085832, 2234820, 2607290, 3128748, 3910935, 4469640, 5214580, 6257496, 7821870, 10429160, 15643740, 31287480]

約数ペア:

[(1, 31287480), (2, 15643740), (3, 10429160), (4, 7821870), (5, 6257496), (6, 5214580), (7, 4469640), (8, 3910935), (10, 3128748), (12, 2607290), (14, 2234820), (15, 2085832), (17, 1840440), (20, 1564374), (21, 1489880), (24, 1303645), (28, 1117410), (30, 1042916), (34, 920220), (35, 893928), (40, 782187), (42, 744940), (49, 638520), (51, 613480), (56, 558705), (60, 521458), (68, 460110), (70, 446964), (84, 372470), (85, 368088), (98, 319260), (102, 306740), (105, 297976), (119, 262920), (120, 260729), (136, 230055), (140, 223482), (147, 212840), (168, 186235), (170, 184044), (196, 159630), (204, 153370), (210, 148988), (238, 131460), (245, 127704), (255, 122696), (280, 111741), (294, 106420), (313, 99960), (340, 92022), (357, 87640), (392, 79815), (408, 76685), (420, 74494), (476, 65730), (490, 63852), (510, 61348), (588, 53210), (595, 52584), (626, 49980), (680, 46011), (714, 43820), (735, 42568), (833, 37560), (840, 37247), (939, 33320), (952, 32865), (980, 31926), (1020, 30674), (1176, 26605), (1190, 26292), (1252, 24990), (1428, 21910), (1470, 21284), (1565, 19992), (1666, 18780), (1785, 17528), (1878, 16660), (1960, 15963), (2040, 15337), (2191, 14280), (2380, 13146), (2499, 12520), (2504, 12495), (2856, 10955), (2940, 10642), (3130, 9996), (3332, 9390), (3570, 8764), (3756, 8330), (4165, 7512), (4382, 7140), (4695, 6664), (4760, 6573), (4998, 6260), (5321, 5880)]