219781320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:228

約数の個数: 256

約数和(自身を含む): 766402560

約数和(自身を除く): 546621240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 31, 33, 40, 41, 44, 55, 60, 62, 66, 82, 88, 93, 110, 120, 123, 124, 131, 132, 155, 164, 165, 186, 205, 220, 246, 248, 262, 264, 310, 328, 330, 341, 372, 393, 410, 440, 451, 465, 492, 524, 615, 620, 655, 660, 682, 744, 786, 820, 902, 930, 984, 1023, 1048, 1230, 1240, 1271, 1310, 1320, 1353, 1364, 1441, 1572, 1640, 1705, 1804, 1860, 1965, 2046, 2255, 2460, 2542, 2620, 2706, 2728, 2882, 3144, 3410, 3608, 3720, 3813, 3930, 4061, 4092, 4323, 4510, 4920, 5084, 5115, 5240, 5371, 5412, 5764, 6355, 6765, 6820, 7205, 7626, 7860, 8122, 8184, 8646, 9020, 10168, 10230, 10742, 10824, 11528, 12183, 12710, 13530, 13640, 13981, 14410, 15252, 15720, 16113, 16244, 17292, 18040, 19065, 20305, 20460, 21484, 21615, 24366, 25420, 26855, 27060, 27962, 28820, 30504, 32226, 32488, 34584, 38130, 40610, 40920, 41943, 42968, 43230, 44671, 48732, 50840, 53710, 54120, 55924, 57640, 59081, 60915, 64452, 69905, 76260, 80565, 81220, 83886, 86460, 89342, 97464, 107420, 111848, 118162, 121830, 128904, 134013, 139810, 152520, 161130, 162440, 166501, 167772, 172920, 177243, 178684, 209715, 214840, 223355, 236324, 243660, 268026, 279620, 295405, 322260, 333002, 335544, 354486, 357368, 419430, 446710, 472648, 487320, 499503, 536052, 559240, 590810, 644520, 666004, 670065, 708972, 832505, 838860, 886215, 893420, 999006, 1072104, 1181620, 1332008, 1340130, 1417944, 1665010, 1677720, 1772430, 1786840, 1831511, 1998012, 2363240, 2497515, 2680260, 3330020, 3544860, 3663022, 3996024, 4995030, 5360520, 5494533, 6660040, 7089720, 7326044, 9157555, 9990060, 10989066, 14652088, 18315110, 19980120, 21978132, 27472665, 36630220, 43956264, 54945330, 73260440, 109890660, 219781320]

約数ペア:

[(1, 219781320), (2, 109890660), (3, 73260440), (4, 54945330), (5, 43956264), (6, 36630220), (8, 27472665), (10, 21978132), (11, 19980120), (12, 18315110), (15, 14652088), (20, 10989066), (22, 9990060), (24, 9157555), (30, 7326044), (31, 7089720), (33, 6660040), (40, 5494533), (41, 5360520), (44, 4995030), (55, 3996024), (60, 3663022), (62, 3544860), (66, 3330020), (82, 2680260), (88, 2497515), (93, 2363240), (110, 1998012), (120, 1831511), (123, 1786840), (124, 1772430), (131, 1677720), (132, 1665010), (155, 1417944), (164, 1340130), (165, 1332008), (186, 1181620), (205, 1072104), (220, 999006), (246, 893420), (248, 886215), (262, 838860), (264, 832505), (310, 708972), (328, 670065), (330, 666004), (341, 644520), (372, 590810), (393, 559240), (410, 536052), (440, 499503), (451, 487320), (465, 472648), (492, 446710), (524, 419430), (615, 357368), (620, 354486), (655, 335544), (660, 333002), (682, 322260), (744, 295405), (786, 279620), (820, 268026), (902, 243660), (930, 236324), (984, 223355), (1023, 214840), (1048, 209715), (1230, 178684), (1240, 177243), (1271, 172920), (1310, 167772), (1320, 166501), (1353, 162440), (1364, 161130), (1441, 152520), (1572, 139810), (1640, 134013), (1705, 128904), (1804, 121830), (1860, 118162), (1965, 111848), (2046, 107420), (2255, 97464), (2460, 89342), (2542, 86460), (2620, 83886), (2706, 81220), (2728, 80565), (2882, 76260), (3144, 69905), (3410, 64452), (3608, 60915), (3720, 59081), (3813, 57640), (3930, 55924), (4061, 54120), (4092, 53710), (4323, 50840), (4510, 48732), (4920, 44671), (5084, 43230), (5115, 42968), (5240, 41943), (5371, 40920), (5412, 40610), (5764, 38130), (6355, 34584), (6765, 32488), (6820, 32226), (7205, 30504), (7626, 28820), (7860, 27962), (8122, 27060), (8184, 26855), (8646, 25420), (9020, 24366), (10168, 21615), (10230, 21484), (10742, 20460), (10824, 20305), (11528, 19065), (12183, 18040), (12710, 17292), (13530, 16244), (13640, 16113), (13981, 15720), (14410, 15252)]