281034360

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{997}}^1$

素因数の和:1052

約数の個数: 192

約数和(自身を含む): 980834400

約数和(自身を除く): 699800040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 29, 30, 36, 40, 45, 54, 58, 60, 72, 81, 87, 90, 108, 116, 120, 135, 145, 162, 174, 180, 216, 232, 243, 261, 270, 290, 324, 348, 360, 405, 435, 486, 522, 540, 580, 648, 696, 783, 810, 870, 972, 997, 1044, 1080, 1160, 1215, 1305, 1566, 1620, 1740, 1944, 1994, 2088, 2349, 2430, 2610, 2991, 3132, 3240, 3480, 3915, 3988, 4698, 4860, 4985, 5220, 5982, 6264, 7047, 7830, 7976, 8973, 9396, 9720, 9970, 10440, 11745, 11964, 14094, 14955, 15660, 17946, 18792, 19940, 23490, 23928, 26919, 28188, 28913, 29910, 31320, 35235, 35892, 39880, 44865, 46980, 53838, 56376, 57826, 59820, 70470, 71784, 80757, 86739, 89730, 93960, 107676, 115652, 119640, 134595, 140940, 144565, 161514, 173478, 179460, 215352, 231304, 242271, 260217, 269190, 281880, 289130, 323028, 346956, 358920, 403785, 433695, 484542, 520434, 538380, 578260, 646056, 693912, 780651, 807570, 867390, 969084, 1040868, 1076760, 1156520, 1211355, 1301085, 1561302, 1615140, 1734780, 1938168, 2081736, 2341953, 2422710, 2602170, 3122604, 3230280, 3469560, 3903255, 4683906, 4845420, 5204340, 6245208, 7025859, 7806510, 9367812, 9690840, 10408680, 11709765, 14051718, 15613020, 18735624, 23419530, 28103436, 31226040, 35129295, 46839060, 56206872, 70258590, 93678120, 140517180, 281034360]

約数ペア:

[(1, 281034360), (2, 140517180), (3, 93678120), (4, 70258590), (5, 56206872), (6, 46839060), (8, 35129295), (9, 31226040), (10, 28103436), (12, 23419530), (15, 18735624), (18, 15613020), (20, 14051718), (24, 11709765), (27, 10408680), (29, 9690840), (30, 9367812), (36, 7806510), (40, 7025859), (45, 6245208), (54, 5204340), (58, 4845420), (60, 4683906), (72, 3903255), (81, 3469560), (87, 3230280), (90, 3122604), (108, 2602170), (116, 2422710), (120, 2341953), (135, 2081736), (145, 1938168), (162, 1734780), (174, 1615140), (180, 1561302), (216, 1301085), (232, 1211355), (243, 1156520), (261, 1076760), (270, 1040868), (290, 969084), (324, 867390), (348, 807570), (360, 780651), (405, 693912), (435, 646056), (486, 578260), (522, 538380), (540, 520434), (580, 484542), (648, 433695), (696, 403785), (783, 358920), (810, 346956), (870, 323028), (972, 289130), (997, 281880), (1044, 269190), (1080, 260217), (1160, 242271), (1215, 231304), (1305, 215352), (1566, 179460), (1620, 173478), (1740, 161514), (1944, 144565), (1994, 140940), (2088, 134595), (2349, 119640), (2430, 115652), (2610, 107676), (2991, 93960), (3132, 89730), (3240, 86739), (3480, 80757), (3915, 71784), (3988, 70470), (4698, 59820), (4860, 57826), (4985, 56376), (5220, 53838), (5982, 46980), (6264, 44865), (7047, 39880), (7830, 35892), (7976, 35235), (8973, 31320), (9396, 29910), (9720, 28913), (9970, 28188), (10440, 26919), (11745, 23928), (11964, 23490), (14094, 19940), (14955, 18792), (15660, 17946)]