217115280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:366

約数の個数: 240

約数和(自身を含む): 783432000

約数和(自身を除く): 566316720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 59, 60, 72, 76, 80, 90, 95, 114, 118, 120, 144, 152, 171, 177, 180, 190, 228, 236, 240, 269, 285, 295, 304, 342, 354, 360, 380, 456, 472, 531, 538, 570, 590, 684, 708, 720, 760, 807, 855, 885, 912, 944, 1062, 1076, 1121, 1140, 1180, 1345, 1368, 1416, 1520, 1614, 1710, 1770, 2124, 2152, 2242, 2280, 2360, 2421, 2655, 2690, 2736, 2832, 3228, 3363, 3420, 3540, 4035, 4248, 4304, 4484, 4560, 4720, 4842, 5111, 5310, 5380, 5605, 6456, 6726, 6840, 7080, 8070, 8496, 8968, 9684, 10089, 10222, 10620, 10760, 11210, 12105, 12912, 13452, 13680, 14160, 15333, 15871, 16140, 16815, 17936, 19368, 20178, 20444, 21240, 21520, 22420, 24210, 25555, 26904, 30666, 31742, 32280, 33630, 38736, 40356, 40888, 42480, 44840, 45999, 47613, 48420, 50445, 51110, 53808, 61332, 63484, 64560, 67260, 76665, 79355, 80712, 81776, 89680, 91998, 95226, 96840, 100890, 102220, 122664, 126968, 134520, 142839, 153330, 158710, 161424, 183996, 190452, 193680, 201780, 204440, 229995, 238065, 245328, 253936, 269040, 285678, 301549, 306660, 317420, 367992, 380904, 403560, 408880, 459990, 476130, 571356, 603098, 613320, 634840, 714195, 735984, 761808, 807120, 904647, 919980, 952260, 1142712, 1206196, 1226640, 1269680, 1428390, 1507745, 1809294, 1839960, 1904520, 2285424, 2412392, 2713941, 2856780, 3015490, 3618588, 3679920, 3809040, 4523235, 4824784, 5427882, 5713560, 6030980, 7237176, 9046470, 10855764, 11427120, 12061960, 13569705, 14474352, 18092940, 21711528, 24123920, 27139410, 36185880, 43423056, 54278820, 72371760, 108557640, 217115280]

約数ペア:

[(1, 217115280), (2, 108557640), (3, 72371760), (4, 54278820), (5, 43423056), (6, 36185880), (8, 27139410), (9, 24123920), (10, 21711528), (12, 18092940), (15, 14474352), (16, 13569705), (18, 12061960), (19, 11427120), (20, 10855764), (24, 9046470), (30, 7237176), (36, 6030980), (38, 5713560), (40, 5427882), (45, 4824784), (48, 4523235), (57, 3809040), (59, 3679920), (60, 3618588), (72, 3015490), (76, 2856780), (80, 2713941), (90, 2412392), (95, 2285424), (114, 1904520), (118, 1839960), (120, 1809294), (144, 1507745), (152, 1428390), (171, 1269680), (177, 1226640), (180, 1206196), (190, 1142712), (228, 952260), (236, 919980), (240, 904647), (269, 807120), (285, 761808), (295, 735984), (304, 714195), (342, 634840), (354, 613320), (360, 603098), (380, 571356), (456, 476130), (472, 459990), (531, 408880), (538, 403560), (570, 380904), (590, 367992), (684, 317420), (708, 306660), (720, 301549), (760, 285678), (807, 269040), (855, 253936), (885, 245328), (912, 238065), (944, 229995), (1062, 204440), (1076, 201780), (1121, 193680), (1140, 190452), (1180, 183996), (1345, 161424), (1368, 158710), (1416, 153330), (1520, 142839), (1614, 134520), (1710, 126968), (1770, 122664), (2124, 102220), (2152, 100890), (2242, 96840), (2280, 95226), (2360, 91998), (2421, 89680), (2655, 81776), (2690, 80712), (2736, 79355), (2832, 76665), (3228, 67260), (3363, 64560), (3420, 63484), (3540, 61332), (4035, 53808), (4248, 51110), (4304, 50445), (4484, 48420), (4560, 47613), (4720, 45999), (4842, 44840), (5111, 42480), (5310, 40888), (5380, 40356), (5605, 38736), (6456, 33630), (6726, 32280), (6840, 31742), (7080, 30666), (8070, 26904), (8496, 25555), (8968, 24210), (9684, 22420), (10089, 21520), (10222, 21240), (10620, 20444), (10760, 20178), (11210, 19368), (12105, 17936), (12912, 16815), (13452, 16140), (13680, 15871), (14160, 15333)]