209755440

素因数分解:

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

素因数の和:329

約数の個数: 240

約数和(自身を含む): 765352800

約数和(自身を除く): 555597360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 269, 270, 285, 304, 342, 360, 361, 380, 432, 456, 513, 538, 540, 570, 684, 720, 722, 760, 807, 855, 912, 1026, 1076, 1080, 1083, 1140, 1345, 1368, 1444, 1520, 1614, 1710, 1805, 2052, 2152, 2160, 2166, 2280, 2421, 2565, 2690, 2736, 2888, 3228, 3249, 3420, 3610, 4035, 4104, 4304, 4332, 4560, 4842, 5111, 5130, 5380, 5415, 5776, 6456, 6498, 6840, 7220, 7263, 8070, 8208, 8664, 9684, 9747, 10222, 10260, 10760, 10830, 12105, 12912, 12996, 13680, 14440, 14526, 15333, 16140, 16245, 17328, 19368, 19494, 20444, 20520, 21520, 21660, 24210, 25555, 25992, 28880, 29052, 30666, 32280, 32490, 36315, 38736, 38988, 40888, 41040, 43320, 45999, 48420, 48735, 51110, 51984, 58104, 61332, 64560, 64980, 72630, 76665, 77976, 81776, 86640, 91998, 96840, 97109, 97470, 102220, 116208, 122664, 129960, 137997, 145260, 153330, 155952, 183996, 193680, 194218, 194940, 204440, 229995, 245328, 259920, 275994, 290520, 291327, 306660, 367992, 388436, 389880, 408880, 459990, 485545, 551988, 581040, 582654, 613320, 689985, 735984, 776872, 779760, 873981, 919980, 971090, 1103976, 1165308, 1226640, 1379970, 1456635, 1553744, 1747962, 1839960, 1942180, 2207952, 2330616, 2621943, 2759940, 2913270, 3495924, 3679920, 3884360, 4369905, 4661232, 5243886, 5519880, 5826540, 6991848, 7768720, 8739810, 10487772, 11039760, 11653080, 13109715, 13983696, 17479620, 20975544, 23306160, 26219430, 34959240, 41951088, 52438860, 69918480, 104877720, 209755440]

約数ペア:

[(1, 209755440), (2, 104877720), (3, 69918480), (4, 52438860), (5, 41951088), (6, 34959240), (8, 26219430), (9, 23306160), (10, 20975544), (12, 17479620), (15, 13983696), (16, 13109715), (18, 11653080), (19, 11039760), (20, 10487772), (24, 8739810), (27, 7768720), (30, 6991848), (36, 5826540), (38, 5519880), (40, 5243886), (45, 4661232), (48, 4369905), (54, 3884360), (57, 3679920), (60, 3495924), (72, 2913270), (76, 2759940), (80, 2621943), (90, 2330616), (95, 2207952), (108, 1942180), (114, 1839960), (120, 1747962), (135, 1553744), (144, 1456635), (152, 1379970), (171, 1226640), (180, 1165308), (190, 1103976), (216, 971090), (228, 919980), (240, 873981), (269, 779760), (270, 776872), (285, 735984), (304, 689985), (342, 613320), (360, 582654), (361, 581040), (380, 551988), (432, 485545), (456, 459990), (513, 408880), (538, 389880), (540, 388436), (570, 367992), (684, 306660), (720, 291327), (722, 290520), (760, 275994), (807, 259920), (855, 245328), (912, 229995), (1026, 204440), (1076, 194940), (1080, 194218), (1083, 193680), (1140, 183996), (1345, 155952), (1368, 153330), (1444, 145260), (1520, 137997), (1614, 129960), (1710, 122664), (1805, 116208), (2052, 102220), (2152, 97470), (2160, 97109), (2166, 96840), (2280, 91998), (2421, 86640), (2565, 81776), (2690, 77976), (2736, 76665), (2888, 72630), (3228, 64980), (3249, 64560), (3420, 61332), (3610, 58104), (4035, 51984), (4104, 51110), (4304, 48735), (4332, 48420), (4560, 45999), (4842, 43320), (5111, 41040), (5130, 40888), (5380, 38988), (5415, 38736), (5776, 36315), (6456, 32490), (6498, 32280), (6840, 30666), (7220, 29052), (7263, 28880), (8070, 25992), (8208, 25555), (8664, 24210), (9684, 21660), (9747, 21520), (10222, 20520), (10260, 20444), (10760, 19494), (10830, 19368), (12105, 17328), (12912, 16245), (12996, 16140), (13680, 15333), (14440, 14526)]