1820038920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{443}}^1$

素因数の和:604

約数の個数: 256

約数和(自身を含む): 6434519040

約数和(自身を除く): 4614480120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 67, 70, 73, 84, 105, 120, 134, 140, 146, 168, 201, 210, 219, 268, 280, 292, 335, 365, 402, 420, 438, 443, 469, 511, 536, 584, 670, 730, 804, 840, 876, 886, 938, 1005, 1022, 1095, 1329, 1340, 1407, 1460, 1533, 1608, 1752, 1772, 1876, 2010, 2044, 2190, 2215, 2345, 2555, 2658, 2680, 2814, 2920, 3066, 3101, 3544, 3752, 4020, 4088, 4380, 4430, 4690, 4891, 5110, 5316, 5628, 6132, 6202, 6645, 7035, 7665, 8040, 8760, 8860, 9303, 9380, 9782, 10220, 10632, 11256, 12264, 12404, 13290, 14070, 14673, 15330, 15505, 17720, 18606, 18760, 19564, 20440, 24455, 24808, 26580, 28140, 29346, 29681, 30660, 31010, 32339, 34237, 37212, 39128, 46515, 48910, 53160, 56280, 58692, 59362, 61320, 62020, 64678, 68474, 73365, 74424, 89043, 93030, 97017, 97820, 102711, 117384, 118724, 124040, 129356, 136948, 146730, 148405, 161695, 171185, 178086, 186060, 194034, 195640, 205422, 207767, 226373, 237448, 258712, 273896, 293460, 296810, 323390, 342370, 356172, 372120, 388068, 410844, 415534, 445215, 452746, 485085, 513555, 586920, 593620, 623301, 646780, 679119, 684740, 712344, 776136, 821688, 831068, 890430, 905492, 970170, 1027110, 1038835, 1131865, 1187240, 1246602, 1293560, 1358238, 1369480, 1662136, 1780860, 1810984, 1940340, 2054220, 2077670, 2166713, 2263730, 2493204, 2716476, 3116505, 3395595, 3561720, 3880680, 4108440, 4155340, 4333426, 4527460, 4986408, 5432952, 6233010, 6500139, 6791190, 8310680, 8666852, 9054920, 10833565, 12466020, 13000278, 13582380, 15166991, 17333704, 21667130, 24932040, 26000556, 27164760, 30333982, 32500695, 43334260, 45500973, 52001112, 60667964, 65001390, 75834955, 86668520, 91001946, 121335928, 130002780, 151669910, 182003892, 227504865, 260005560, 303339820, 364007784, 455009730, 606679640, 910019460, 1820038920]

約数ペア:

[(1, 1820038920), (2, 910019460), (3, 606679640), (4, 455009730), (5, 364007784), (6, 303339820), (7, 260005560), (8, 227504865), (10, 182003892), (12, 151669910), (14, 130002780), (15, 121335928), (20, 91001946), (21, 86668520), (24, 75834955), (28, 65001390), (30, 60667964), (35, 52001112), (40, 45500973), (42, 43334260), (56, 32500695), (60, 30333982), (67, 27164760), (70, 26000556), (73, 24932040), (84, 21667130), (105, 17333704), (120, 15166991), (134, 13582380), (140, 13000278), (146, 12466020), (168, 10833565), (201, 9054920), (210, 8666852), (219, 8310680), (268, 6791190), (280, 6500139), (292, 6233010), (335, 5432952), (365, 4986408), (402, 4527460), (420, 4333426), (438, 4155340), (443, 4108440), (469, 3880680), (511, 3561720), (536, 3395595), (584, 3116505), (670, 2716476), (730, 2493204), (804, 2263730), (840, 2166713), (876, 2077670), (886, 2054220), (938, 1940340), (1005, 1810984), (1022, 1780860), (1095, 1662136), (1329, 1369480), (1340, 1358238), (1407, 1293560), (1460, 1246602), (1533, 1187240), (1608, 1131865), (1752, 1038835), (1772, 1027110), (1876, 970170), (2010, 905492), (2044, 890430), (2190, 831068), (2215, 821688), (2345, 776136), (2555, 712344), (2658, 684740), (2680, 679119), (2814, 646780), (2920, 623301), (3066, 593620), (3101, 586920), (3544, 513555), (3752, 485085), (4020, 452746), (4088, 445215), (4380, 415534), (4430, 410844), (4690, 388068), (4891, 372120), (5110, 356172), (5316, 342370), (5628, 323390), (6132, 296810), (6202, 293460), (6645, 273896), (7035, 258712), (7665, 237448), (8040, 226373), (8760, 207767), (8860, 205422), (9303, 195640), (9380, 194034), (9782, 186060), (10220, 178086), (10632, 171185), (11256, 161695), (12264, 148405), (12404, 146730), (13290, 136948), (14070, 129356), (14673, 124040), (15330, 118724), (15505, 117384), (17720, 102711), (18606, 97820), (18760, 97017), (19564, 93030), (20440, 89043), (24455, 74424), (24808, 73365), (26580, 68474), (28140, 64678), (29346, 62020), (29681, 61320), (30660, 59362), (31010, 58692), (32339, 56280), (34237, 53160), (37212, 48910), (39128, 46515)]