217202580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1553}}^1$

素因数の和:1615

約数の個数: 192

約数和(自身を含む): 793658880

約数和(自身を除く): 576456300

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 37, 42, 45, 54, 60, 63, 70, 74, 84, 90, 105, 108, 111, 126, 135, 140, 148, 180, 185, 189, 210, 222, 252, 259, 270, 315, 333, 370, 378, 420, 444, 518, 540, 555, 630, 666, 740, 756, 777, 945, 999, 1036, 1110, 1260, 1295, 1332, 1553, 1554, 1665, 1890, 1998, 2220, 2331, 2590, 3106, 3108, 3330, 3780, 3885, 3996, 4659, 4662, 4995, 5180, 6212, 6660, 6993, 7765, 7770, 9318, 9324, 9990, 10871, 11655, 13977, 13986, 15530, 15540, 18636, 19980, 21742, 23295, 23310, 27954, 27972, 31060, 32613, 34965, 41931, 43484, 46590, 46620, 54355, 55908, 57461, 65226, 69885, 69930, 83862, 93180, 97839, 108710, 114922, 130452, 139770, 139860, 163065, 167724, 172383, 195678, 209655, 217420, 229844, 279540, 287305, 293517, 326130, 344766, 391356, 402227, 419310, 489195, 517149, 574610, 587034, 652260, 689532, 804454, 838620, 861915, 978390, 1034298, 1149220, 1174068, 1206681, 1467585, 1551447, 1608908, 1723830, 1956780, 2011135, 2068596, 2413362, 2585745, 2935170, 3102894, 3447660, 3620043, 4022270, 4826724, 5171490, 5870340, 6033405, 6205788, 7240086, 7757235, 8044540, 10342980, 10860129, 12066810, 14480172, 15514470, 18100215, 21720258, 24133620, 31028940, 36200430, 43440516, 54300645, 72400860, 108601290, 217202580]

約数ペア:

[(1, 217202580), (2, 108601290), (3, 72400860), (4, 54300645), (5, 43440516), (6, 36200430), (7, 31028940), (9, 24133620), (10, 21720258), (12, 18100215), (14, 15514470), (15, 14480172), (18, 12066810), (20, 10860129), (21, 10342980), (27, 8044540), (28, 7757235), (30, 7240086), (35, 6205788), (36, 6033405), (37, 5870340), (42, 5171490), (45, 4826724), (54, 4022270), (60, 3620043), (63, 3447660), (70, 3102894), (74, 2935170), (84, 2585745), (90, 2413362), (105, 2068596), (108, 2011135), (111, 1956780), (126, 1723830), (135, 1608908), (140, 1551447), (148, 1467585), (180, 1206681), (185, 1174068), (189, 1149220), (210, 1034298), (222, 978390), (252, 861915), (259, 838620), (270, 804454), (315, 689532), (333, 652260), (370, 587034), (378, 574610), (420, 517149), (444, 489195), (518, 419310), (540, 402227), (555, 391356), (630, 344766), (666, 326130), (740, 293517), (756, 287305), (777, 279540), (945, 229844), (999, 217420), (1036, 209655), (1110, 195678), (1260, 172383), (1295, 167724), (1332, 163065), (1553, 139860), (1554, 139770), (1665, 130452), (1890, 114922), (1998, 108710), (2220, 97839), (2331, 93180), (2590, 83862), (3106, 69930), (3108, 69885), (3330, 65226), (3780, 57461), (3885, 55908), (3996, 54355), (4659, 46620), (4662, 46590), (4995, 43484), (5180, 41931), (6212, 34965), (6660, 32613), (6993, 31060), (7765, 27972), (7770, 27954), (9318, 23310), (9324, 23295), (9990, 21742), (10871, 19980), (11655, 18636), (13977, 15540), (13986, 15530)]