61408980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:266

約数の個数: 144

約数和(自身を含む): 195655824

約数和(自身を除く): 134246844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 53, 60, 82, 90, 106, 123, 157, 159, 164, 180, 205, 212, 246, 265, 314, 318, 369, 410, 471, 477, 492, 530, 615, 628, 636, 738, 785, 795, 820, 942, 954, 1060, 1230, 1413, 1476, 1570, 1590, 1845, 1884, 1908, 2173, 2355, 2385, 2460, 2826, 3140, 3180, 3690, 4346, 4710, 4770, 5652, 6437, 6519, 7065, 7380, 8321, 8692, 9420, 9540, 10865, 12874, 13038, 14130, 16642, 19311, 19557, 21730, 24963, 25748, 26076, 28260, 32185, 32595, 33284, 38622, 39114, 41605, 43460, 49926, 57933, 64370, 65190, 74889, 77244, 78228, 83210, 96555, 97785, 99852, 115866, 124815, 128740, 130380, 149778, 166420, 193110, 195570, 231732, 249630, 289665, 299556, 341161, 374445, 386220, 391140, 499260, 579330, 682322, 748890, 1023483, 1158660, 1364644, 1497780, 1705805, 2046966, 3070449, 3411610, 4093932, 5117415, 6140898, 6823220, 10234830, 12281796, 15352245, 20469660, 30704490, 61408980]

約数ペア:

[(1, 61408980), (2, 30704490), (3, 20469660), (4, 15352245), (5, 12281796), (6, 10234830), (9, 6823220), (10, 6140898), (12, 5117415), (15, 4093932), (18, 3411610), (20, 3070449), (30, 2046966), (36, 1705805), (41, 1497780), (45, 1364644), (53, 1158660), (60, 1023483), (82, 748890), (90, 682322), (106, 579330), (123, 499260), (157, 391140), (159, 386220), (164, 374445), (180, 341161), (205, 299556), (212, 289665), (246, 249630), (265, 231732), (314, 195570), (318, 193110), (369, 166420), (410, 149778), (471, 130380), (477, 128740), (492, 124815), (530, 115866), (615, 99852), (628, 97785), (636, 96555), (738, 83210), (785, 78228), (795, 77244), (820, 74889), (942, 65190), (954, 64370), (1060, 57933), (1230, 49926), (1413, 43460), (1476, 41605), (1570, 39114), (1590, 38622), (1845, 33284), (1884, 32595), (1908, 32185), (2173, 28260), (2355, 26076), (2385, 25748), (2460, 24963), (2826, 21730), (3140, 19557), (3180, 19311), (3690, 16642), (4346, 14130), (4710, 13038), (4770, 12874), (5652, 10865), (6437, 9540), (6519, 9420), (7065, 8692), (7380, 8321)]