205757460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{3539}}^1$

素因数の和:3590

約数の個数: 144

約数和(自身を含む): 695822400

約数和(自身を除く): 490064940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 19, 20, 30, 34, 36, 38, 45, 51, 57, 60, 68, 76, 85, 90, 95, 102, 114, 153, 170, 171, 180, 190, 204, 228, 255, 285, 306, 323, 340, 342, 380, 510, 570, 612, 646, 684, 765, 855, 969, 1020, 1140, 1292, 1530, 1615, 1710, 1938, 2907, 3060, 3230, 3420, 3539, 3876, 4845, 5814, 6460, 7078, 9690, 10617, 11628, 14156, 14535, 17695, 19380, 21234, 29070, 31851, 35390, 42468, 53085, 58140, 60163, 63702, 67241, 70780, 106170, 120326, 127404, 134482, 159255, 180489, 201723, 212340, 240652, 268964, 300815, 318510, 336205, 360978, 403446, 541467, 601630, 605169, 637020, 672410, 721956, 806892, 902445, 1008615, 1082934, 1143097, 1203260, 1210338, 1344820, 1804890, 2017230, 2165868, 2286194, 2420676, 2707335, 3025845, 3429291, 3609780, 4034460, 4572388, 5414670, 5715485, 6051690, 6858582, 10287873, 10829340, 11430970, 12103380, 13717164, 17146455, 20575746, 22861940, 34292910, 41151492, 51439365, 68585820, 102878730, 205757460]

約数ペア:

[(1, 205757460), (2, 102878730), (3, 68585820), (4, 51439365), (5, 41151492), (6, 34292910), (9, 22861940), (10, 20575746), (12, 17146455), (15, 13717164), (17, 12103380), (18, 11430970), (19, 10829340), (20, 10287873), (30, 6858582), (34, 6051690), (36, 5715485), (38, 5414670), (45, 4572388), (51, 4034460), (57, 3609780), (60, 3429291), (68, 3025845), (76, 2707335), (85, 2420676), (90, 2286194), (95, 2165868), (102, 2017230), (114, 1804890), (153, 1344820), (170, 1210338), (171, 1203260), (180, 1143097), (190, 1082934), (204, 1008615), (228, 902445), (255, 806892), (285, 721956), (306, 672410), (323, 637020), (340, 605169), (342, 601630), (380, 541467), (510, 403446), (570, 360978), (612, 336205), (646, 318510), (684, 300815), (765, 268964), (855, 240652), (969, 212340), (1020, 201723), (1140, 180489), (1292, 159255), (1530, 134482), (1615, 127404), (1710, 120326), (1938, 106170), (2907, 70780), (3060, 67241), (3230, 63702), (3420, 60163), (3539, 58140), (3876, 53085), (4845, 42468), (5814, 35390), (6460, 31851), (7078, 29070), (9690, 21234), (10617, 19380), (11628, 17695), (14156, 14535)]