206817660

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 288

約数和(自身を含む): 773660160

約数和(自身を除く): 566842500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 19, 20, 21, 28, 30, 35, 36, 38, 42, 45, 53, 57, 60, 63, 70, 76, 84, 90, 95, 105, 106, 114, 126, 133, 140, 159, 163, 171, 180, 190, 210, 212, 228, 252, 265, 266, 285, 315, 318, 326, 342, 371, 380, 399, 420, 477, 489, 530, 532, 570, 630, 636, 652, 665, 684, 742, 795, 798, 815, 855, 954, 978, 1007, 1060, 1113, 1140, 1141, 1197, 1260, 1330, 1467, 1484, 1590, 1596, 1630, 1710, 1855, 1908, 1956, 1995, 2014, 2226, 2282, 2385, 2394, 2445, 2660, 2934, 3021, 3097, 3180, 3260, 3339, 3420, 3423, 3710, 3990, 4028, 4452, 4564, 4770, 4788, 4890, 5035, 5565, 5705, 5868, 5985, 6042, 6194, 6678, 6846, 7049, 7335, 7420, 7980, 8639, 9063, 9291, 9540, 9780, 10070, 10269, 11130, 11410, 11970, 12084, 12388, 13356, 13692, 14098, 14670, 15105, 15485, 16695, 17115, 17278, 18126, 18582, 20140, 20538, 21147, 21679, 22260, 22820, 23940, 25917, 27873, 28196, 29340, 30210, 30970, 33390, 34230, 34556, 35245, 36252, 37164, 41076, 42294, 43195, 43358, 45315, 46455, 51345, 51834, 55746, 60420, 60473, 61940, 63441, 65037, 66780, 68460, 70490, 77751, 84588, 86390, 86716, 90630, 92910, 102690, 103668, 105735, 108395, 111492, 120946, 126882, 129585, 130074, 139365, 140980, 155502, 164141, 172780, 181260, 181419, 185820, 195111, 205380, 211470, 216790, 241892, 253764, 259170, 260148, 278730, 302365, 311004, 317205, 325185, 328282, 362838, 388755, 390222, 422940, 433580, 492423, 518340, 544257, 557460, 604730, 634410, 650370, 656564, 725676, 777510, 780444, 820705, 907095, 975555, 984846, 1088514, 1148987, 1209460, 1268820, 1300740, 1477269, 1555020, 1641410, 1814190, 1951110, 1969692, 2177028, 2297974, 2462115, 2721285, 2954538, 3282820, 3446961, 3628380, 3902220, 4595948, 4924230, 5442570, 5744935, 5909076, 6893922, 7386345, 9848460, 10340883, 10885140, 11489870, 13787844, 14772690, 17234805, 20681766, 22979740, 29545380, 34469610, 41363532, 51704415, 68939220, 103408830, 206817660]

約数ペア:

[(1, 206817660), (2, 103408830), (3, 68939220), (4, 51704415), (5, 41363532), (6, 34469610), (7, 29545380), (9, 22979740), (10, 20681766), (12, 17234805), (14, 14772690), (15, 13787844), (18, 11489870), (19, 10885140), (20, 10340883), (21, 9848460), (28, 7386345), (30, 6893922), (35, 5909076), (36, 5744935), (38, 5442570), (42, 4924230), (45, 4595948), (53, 3902220), (57, 3628380), (60, 3446961), (63, 3282820), (70, 2954538), (76, 2721285), (84, 2462115), (90, 2297974), (95, 2177028), (105, 1969692), (106, 1951110), (114, 1814190), (126, 1641410), (133, 1555020), (140, 1477269), (159, 1300740), (163, 1268820), (171, 1209460), (180, 1148987), (190, 1088514), (210, 984846), (212, 975555), (228, 907095), (252, 820705), (265, 780444), (266, 777510), (285, 725676), (315, 656564), (318, 650370), (326, 634410), (342, 604730), (371, 557460), (380, 544257), (399, 518340), (420, 492423), (477, 433580), (489, 422940), (530, 390222), (532, 388755), (570, 362838), (630, 328282), (636, 325185), (652, 317205), (665, 311004), (684, 302365), (742, 278730), (795, 260148), (798, 259170), (815, 253764), (855, 241892), (954, 216790), (978, 211470), (1007, 205380), (1060, 195111), (1113, 185820), (1140, 181419), (1141, 181260), (1197, 172780), (1260, 164141), (1330, 155502), (1467, 140980), (1484, 139365), (1590, 130074), (1596, 129585), (1630, 126882), (1710, 120946), (1855, 111492), (1908, 108395), (1956, 105735), (1995, 103668), (2014, 102690), (2226, 92910), (2282, 90630), (2385, 86716), (2394, 86390), (2445, 84588), (2660, 77751), (2934, 70490), (3021, 68460), (3097, 66780), (3180, 65037), (3260, 63441), (3339, 61940), (3420, 60473), (3423, 60420), (3710, 55746), (3990, 51834), (4028, 51345), (4452, 46455), (4564, 45315), (4770, 43358), (4788, 43195), (4890, 42294), (5035, 41076), (5565, 37164), (5705, 36252), (5868, 35245), (5985, 34556), (6042, 34230), (6194, 33390), (6678, 30970), (6846, 30210), (7049, 29340), (7335, 28196), (7420, 27873), (7980, 25917), (8639, 23940), (9063, 22820), (9291, 22260), (9540, 21679), (9780, 21147), (10070, 20538), (10269, 20140), (11130, 18582), (11410, 18126), (11970, 17278), (12084, 17115), (12388, 16695), (13356, 15485), (13692, 15105), (14098, 14670)]