208771020

素因数分解:

$2^2\times 3^8\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:113

約数の個数: 216

約数和(自身を含む): 691074384

約数和(自身を除く): 482303364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 43, 45, 54, 60, 74, 81, 86, 90, 108, 111, 129, 135, 148, 162, 172, 180, 185, 215, 222, 243, 258, 270, 324, 333, 370, 387, 405, 430, 444, 486, 516, 540, 555, 645, 666, 729, 740, 774, 810, 860, 972, 999, 1110, 1161, 1215, 1290, 1332, 1458, 1548, 1591, 1620, 1665, 1935, 1998, 2187, 2220, 2322, 2430, 2580, 2916, 2997, 3182, 3330, 3483, 3645, 3870, 3996, 4374, 4644, 4773, 4860, 4995, 5805, 5994, 6364, 6561, 6660, 6966, 7290, 7740, 7955, 8748, 8991, 9546, 9990, 10449, 10935, 11610, 11988, 13122, 13932, 14319, 14580, 14985, 15910, 17415, 17982, 19092, 19980, 20898, 21870, 23220, 23865, 26244, 26973, 28638, 29970, 31347, 31820, 32805, 34830, 35964, 41796, 42957, 43740, 44955, 47730, 52245, 53946, 57276, 59940, 62694, 65610, 69660, 71595, 80919, 85914, 89910, 94041, 95460, 104490, 107892, 125388, 128871, 131220, 134865, 143190, 156735, 161838, 171828, 179820, 188082, 208980, 214785, 242757, 257742, 269730, 282123, 286380, 313470, 323676, 376164, 386613, 404595, 429570, 470205, 485514, 515484, 539460, 564246, 626940, 644355, 773226, 809190, 859140, 940410, 971028, 1128492, 1159839, 1213785, 1288710, 1410615, 1546452, 1618380, 1880820, 1933065, 2319678, 2427570, 2577420, 2821230, 3479517, 3866130, 4639356, 4855140, 5642460, 5799195, 6959034, 7732260, 10438551, 11598390, 13918068, 17397585, 20877102, 23196780, 34795170, 41754204, 52192755, 69590340, 104385510, 208771020]

約数ペア:

[(1, 208771020), (2, 104385510), (3, 69590340), (4, 52192755), (5, 41754204), (6, 34795170), (9, 23196780), (10, 20877102), (12, 17397585), (15, 13918068), (18, 11598390), (20, 10438551), (27, 7732260), (30, 6959034), (36, 5799195), (37, 5642460), (43, 4855140), (45, 4639356), (54, 3866130), (60, 3479517), (74, 2821230), (81, 2577420), (86, 2427570), (90, 2319678), (108, 1933065), (111, 1880820), (129, 1618380), (135, 1546452), (148, 1410615), (162, 1288710), (172, 1213785), (180, 1159839), (185, 1128492), (215, 971028), (222, 940410), (243, 859140), (258, 809190), (270, 773226), (324, 644355), (333, 626940), (370, 564246), (387, 539460), (405, 515484), (430, 485514), (444, 470205), (486, 429570), (516, 404595), (540, 386613), (555, 376164), (645, 323676), (666, 313470), (729, 286380), (740, 282123), (774, 269730), (810, 257742), (860, 242757), (972, 214785), (999, 208980), (1110, 188082), (1161, 179820), (1215, 171828), (1290, 161838), (1332, 156735), (1458, 143190), (1548, 134865), (1591, 131220), (1620, 128871), (1665, 125388), (1935, 107892), (1998, 104490), (2187, 95460), (2220, 94041), (2322, 89910), (2430, 85914), (2580, 80919), (2916, 71595), (2997, 69660), (3182, 65610), (3330, 62694), (3483, 59940), (3645, 57276), (3870, 53946), (3996, 52245), (4374, 47730), (4644, 44955), (4773, 43740), (4860, 42957), (4995, 41796), (5805, 35964), (5994, 34830), (6364, 32805), (6561, 31820), (6660, 31347), (6966, 29970), (7290, 28638), (7740, 26973), (7955, 26244), (8748, 23865), (8991, 23220), (9546, 21870), (9990, 20898), (10449, 19980), (10935, 19092), (11610, 17982), (11988, 17415), (13122, 15910), (13932, 14985), (14319, 14580)]