221580720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:500

約数の個数: 240

約数和(自身を含む): 808153632

約数和(自身を除く): 586572912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 34, 36, 40, 43, 45, 48, 51, 60, 68, 72, 80, 85, 86, 90, 102, 120, 129, 136, 144, 153, 170, 172, 180, 204, 215, 240, 255, 258, 272, 306, 340, 344, 360, 387, 408, 421, 430, 510, 516, 612, 645, 680, 688, 720, 731, 765, 774, 816, 842, 860, 1020, 1032, 1224, 1263, 1290, 1360, 1462, 1530, 1548, 1684, 1720, 1935, 2040, 2064, 2105, 2193, 2448, 2526, 2580, 2924, 3060, 3096, 3368, 3440, 3655, 3789, 3870, 4080, 4210, 4386, 5052, 5160, 5848, 6120, 6192, 6315, 6579, 6736, 7157, 7310, 7578, 7740, 8420, 8772, 10104, 10320, 10965, 11696, 12240, 12630, 13158, 14314, 14620, 15156, 15480, 16840, 17544, 18103, 18945, 20208, 21471, 21930, 25260, 26316, 28628, 29240, 30312, 30960, 32895, 33680, 35088, 35785, 36206, 37890, 42942, 43860, 50520, 52632, 54309, 57256, 58480, 60624, 64413, 65790, 71570, 72412, 75780, 85884, 87720, 90515, 101040, 105264, 107355, 108618, 114512, 128826, 131580, 143140, 144824, 151560, 162927, 171768, 175440, 181030, 214710, 217236, 257652, 263160, 271545, 286280, 289648, 303120, 307751, 322065, 325854, 343536, 362060, 429420, 434472, 515304, 526320, 543090, 572560, 615502, 644130, 651708, 724120, 814635, 858840, 868944, 923253, 1030608, 1086180, 1231004, 1288260, 1303416, 1448240, 1538755, 1629270, 1717680, 1846506, 2172360, 2462008, 2576520, 2606832, 2769759, 3077510, 3258540, 3693012, 4344720, 4616265, 4924016, 5153040, 5539518, 6155020, 6517080, 7386024, 9232530, 11079036, 12310040, 13034160, 13848795, 14772048, 18465060, 22158072, 24620080, 27697590, 36930120, 44316144, 55395180, 73860240, 110790360, 221580720]

約数ペア:

[(1, 221580720), (2, 110790360), (3, 73860240), (4, 55395180), (5, 44316144), (6, 36930120), (8, 27697590), (9, 24620080), (10, 22158072), (12, 18465060), (15, 14772048), (16, 13848795), (17, 13034160), (18, 12310040), (20, 11079036), (24, 9232530), (30, 7386024), (34, 6517080), (36, 6155020), (40, 5539518), (43, 5153040), (45, 4924016), (48, 4616265), (51, 4344720), (60, 3693012), (68, 3258540), (72, 3077510), (80, 2769759), (85, 2606832), (86, 2576520), (90, 2462008), (102, 2172360), (120, 1846506), (129, 1717680), (136, 1629270), (144, 1538755), (153, 1448240), (170, 1303416), (172, 1288260), (180, 1231004), (204, 1086180), (215, 1030608), (240, 923253), (255, 868944), (258, 858840), (272, 814635), (306, 724120), (340, 651708), (344, 644130), (360, 615502), (387, 572560), (408, 543090), (421, 526320), (430, 515304), (510, 434472), (516, 429420), (612, 362060), (645, 343536), (680, 325854), (688, 322065), (720, 307751), (731, 303120), (765, 289648), (774, 286280), (816, 271545), (842, 263160), (860, 257652), (1020, 217236), (1032, 214710), (1224, 181030), (1263, 175440), (1290, 171768), (1360, 162927), (1462, 151560), (1530, 144824), (1548, 143140), (1684, 131580), (1720, 128826), (1935, 114512), (2040, 108618), (2064, 107355), (2105, 105264), (2193, 101040), (2448, 90515), (2526, 87720), (2580, 85884), (2924, 75780), (3060, 72412), (3096, 71570), (3368, 65790), (3440, 64413), (3655, 60624), (3789, 58480), (3870, 57256), (4080, 54309), (4210, 52632), (4386, 50520), (5052, 43860), (5160, 42942), (5848, 37890), (6120, 36206), (6192, 35785), (6315, 35088), (6579, 33680), (6736, 32895), (7157, 30960), (7310, 30312), (7578, 29240), (7740, 28628), (8420, 26316), (8772, 25260), (10104, 21930), (10320, 21471), (10965, 20208), (11696, 18945), (12240, 18103), (12630, 17544), (13158, 16840), (14314, 15480), (14620, 15156)]