18241440

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:175

約数の個数: 192

約数和(自身を含む): 67495680

約数和(自身を除く): 49254240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 61, 70, 80, 84, 89, 96, 105, 112, 120, 122, 140, 160, 168, 178, 183, 210, 224, 240, 244, 267, 280, 305, 336, 356, 366, 420, 427, 445, 480, 488, 534, 560, 610, 623, 672, 712, 732, 840, 854, 890, 915, 976, 1068, 1120, 1220, 1246, 1281, 1335, 1424, 1464, 1680, 1708, 1780, 1830, 1869, 1952, 2135, 2136, 2440, 2492, 2562, 2670, 2848, 2928, 3115, 3360, 3416, 3560, 3660, 3738, 4270, 4272, 4880, 4984, 5124, 5340, 5429, 5856, 6230, 6405, 6832, 7120, 7320, 7476, 8540, 8544, 9345, 9760, 9968, 10248, 10680, 10858, 12460, 12810, 13664, 14240, 14640, 14952, 16287, 17080, 18690, 19936, 20496, 21360, 21716, 24920, 25620, 27145, 29280, 29904, 32574, 34160, 37380, 38003, 40992, 42720, 43432, 49840, 51240, 54290, 59808, 65148, 68320, 74760, 76006, 81435, 86864, 99680, 102480, 108580, 114009, 130296, 149520, 152012, 162870, 173728, 190015, 204960, 217160, 228018, 260592, 299040, 304024, 325740, 380030, 434320, 456036, 521184, 570045, 608048, 651480, 760060, 868640, 912072, 1140090, 1216096, 1302960, 1520120, 1824144, 2280180, 2605920, 3040240, 3648288, 4560360, 6080480, 9120720, 18241440]

約数ペア:

[(1, 18241440), (2, 9120720), (3, 6080480), (4, 4560360), (5, 3648288), (6, 3040240), (7, 2605920), (8, 2280180), (10, 1824144), (12, 1520120), (14, 1302960), (15, 1216096), (16, 1140090), (20, 912072), (21, 868640), (24, 760060), (28, 651480), (30, 608048), (32, 570045), (35, 521184), (40, 456036), (42, 434320), (48, 380030), (56, 325740), (60, 304024), (61, 299040), (70, 260592), (80, 228018), (84, 217160), (89, 204960), (96, 190015), (105, 173728), (112, 162870), (120, 152012), (122, 149520), (140, 130296), (160, 114009), (168, 108580), (178, 102480), (183, 99680), (210, 86864), (224, 81435), (240, 76006), (244, 74760), (267, 68320), (280, 65148), (305, 59808), (336, 54290), (356, 51240), (366, 49840), (420, 43432), (427, 42720), (445, 40992), (480, 38003), (488, 37380), (534, 34160), (560, 32574), (610, 29904), (623, 29280), (672, 27145), (712, 25620), (732, 24920), (840, 21716), (854, 21360), (890, 20496), (915, 19936), (976, 18690), (1068, 17080), (1120, 16287), (1220, 14952), (1246, 14640), (1281, 14240), (1335, 13664), (1424, 12810), (1464, 12460), (1680, 10858), (1708, 10680), (1780, 10248), (1830, 9968), (1869, 9760), (1952, 9345), (2135, 8544), (2136, 8540), (2440, 7476), (2492, 7320), (2562, 7120), (2670, 6832), (2848, 6405), (2928, 6230), (3115, 5856), (3360, 5429), (3416, 5340), (3560, 5124), (3660, 4984), (3738, 4880), (4270, 4272)]