64640520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:364

約数の個数: 192

約数和(自身を含む): 243285120

約数和(自身を除く): 178644600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 113, 120, 126, 140, 168, 180, 210, 226, 227, 252, 280, 315, 339, 360, 420, 452, 454, 504, 565, 630, 678, 681, 791, 840, 904, 908, 1017, 1130, 1135, 1260, 1356, 1362, 1582, 1589, 1695, 1816, 2034, 2043, 2260, 2270, 2373, 2520, 2712, 2724, 3164, 3178, 3390, 3405, 3955, 4068, 4086, 4520, 4540, 4746, 4767, 5085, 5448, 6328, 6356, 6780, 6810, 7119, 7910, 7945, 8136, 8172, 9080, 9492, 9534, 10170, 10215, 11865, 12712, 13560, 13620, 14238, 14301, 15820, 15890, 16344, 18984, 19068, 20340, 20430, 23730, 23835, 25651, 27240, 28476, 28602, 31640, 31780, 35595, 38136, 40680, 40860, 47460, 47670, 51302, 56952, 57204, 63560, 71190, 71505, 76953, 81720, 94920, 95340, 102604, 114408, 128255, 142380, 143010, 153906, 179557, 190680, 205208, 230859, 256510, 284760, 286020, 307812, 359114, 384765, 461718, 513020, 538671, 572040, 615624, 718228, 769530, 897785, 923436, 1026040, 1077342, 1154295, 1436456, 1539060, 1616013, 1795570, 1846872, 2154684, 2308590, 2693355, 3078120, 3232026, 3591140, 4309368, 4617180, 5386710, 6464052, 7182280, 8080065, 9234360, 10773420, 12928104, 16160130, 21546840, 32320260, 64640520]

約数ペア:

[(1, 64640520), (2, 32320260), (3, 21546840), (4, 16160130), (5, 12928104), (6, 10773420), (7, 9234360), (8, 8080065), (9, 7182280), (10, 6464052), (12, 5386710), (14, 4617180), (15, 4309368), (18, 3591140), (20, 3232026), (21, 3078120), (24, 2693355), (28, 2308590), (30, 2154684), (35, 1846872), (36, 1795570), (40, 1616013), (42, 1539060), (45, 1436456), (56, 1154295), (60, 1077342), (63, 1026040), (70, 923436), (72, 897785), (84, 769530), (90, 718228), (105, 615624), (113, 572040), (120, 538671), (126, 513020), (140, 461718), (168, 384765), (180, 359114), (210, 307812), (226, 286020), (227, 284760), (252, 256510), (280, 230859), (315, 205208), (339, 190680), (360, 179557), (420, 153906), (452, 143010), (454, 142380), (504, 128255), (565, 114408), (630, 102604), (678, 95340), (681, 94920), (791, 81720), (840, 76953), (904, 71505), (908, 71190), (1017, 63560), (1130, 57204), (1135, 56952), (1260, 51302), (1356, 47670), (1362, 47460), (1582, 40860), (1589, 40680), (1695, 38136), (1816, 35595), (2034, 31780), (2043, 31640), (2260, 28602), (2270, 28476), (2373, 27240), (2520, 25651), (2712, 23835), (2724, 23730), (3164, 20430), (3178, 20340), (3390, 19068), (3405, 18984), (3955, 16344), (4068, 15890), (4086, 15820), (4520, 14301), (4540, 14238), (4746, 13620), (4767, 13560), (5085, 12712), (5448, 11865), (6328, 10215), (6356, 10170), (6780, 9534), (6810, 9492), (7119, 9080), (7910, 8172), (7945, 8136)]