18447480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:99

約数の個数: 256

約数和(自身を含む): 69120000

約数和(自身を除く): 50672520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 29, 30, 31, 36, 38, 40, 45, 54, 57, 58, 60, 62, 72, 76, 87, 90, 93, 95, 108, 114, 116, 120, 124, 135, 145, 152, 155, 171, 174, 180, 186, 190, 216, 228, 232, 248, 261, 270, 279, 285, 290, 310, 342, 348, 360, 372, 380, 435, 456, 465, 513, 522, 540, 551, 558, 570, 580, 589, 620, 684, 696, 744, 760, 783, 837, 855, 870, 899, 930, 1026, 1044, 1080, 1102, 1116, 1140, 1160, 1178, 1240, 1305, 1368, 1395, 1566, 1653, 1674, 1710, 1740, 1767, 1798, 1860, 2052, 2088, 2204, 2232, 2280, 2356, 2565, 2610, 2697, 2755, 2790, 2945, 3132, 3306, 3348, 3420, 3480, 3534, 3596, 3720, 3915, 4104, 4185, 4408, 4495, 4712, 4959, 5130, 5220, 5301, 5394, 5510, 5580, 5890, 6264, 6612, 6696, 6840, 7068, 7192, 7830, 8091, 8265, 8370, 8835, 8990, 9918, 10260, 10440, 10602, 10788, 11020, 11160, 11780, 13224, 13485, 14136, 14877, 15660, 15903, 16182, 16530, 16740, 17081, 17670, 17980, 19836, 20520, 21204, 21576, 22040, 23560, 24273, 24795, 26505, 26970, 29754, 31320, 31806, 32364, 33060, 33480, 34162, 35340, 35960, 39672, 40455, 42408, 48546, 49590, 51243, 53010, 53940, 59508, 63612, 64728, 66120, 68324, 70680, 74385, 79515, 80910, 85405, 97092, 99180, 102486, 106020, 107880, 119016, 121365, 127224, 136648, 148770, 153729, 159030, 161820, 170810, 194184, 198360, 204972, 212040, 242730, 256215, 297540, 307458, 318060, 323640, 341620, 409944, 461187, 485460, 512430, 595080, 614916, 636120, 683240, 768645, 922374, 970920, 1024860, 1229832, 1537290, 1844748, 2049720, 2305935, 3074580, 3689496, 4611870, 6149160, 9223740, 18447480]

約数ペア:

[(1, 18447480), (2, 9223740), (3, 6149160), (4, 4611870), (5, 3689496), (6, 3074580), (8, 2305935), (9, 2049720), (10, 1844748), (12, 1537290), (15, 1229832), (18, 1024860), (19, 970920), (20, 922374), (24, 768645), (27, 683240), (29, 636120), (30, 614916), (31, 595080), (36, 512430), (38, 485460), (40, 461187), (45, 409944), (54, 341620), (57, 323640), (58, 318060), (60, 307458), (62, 297540), (72, 256215), (76, 242730), (87, 212040), (90, 204972), (93, 198360), (95, 194184), (108, 170810), (114, 161820), (116, 159030), (120, 153729), (124, 148770), (135, 136648), (145, 127224), (152, 121365), (155, 119016), (171, 107880), (174, 106020), (180, 102486), (186, 99180), (190, 97092), (216, 85405), (228, 80910), (232, 79515), (248, 74385), (261, 70680), (270, 68324), (279, 66120), (285, 64728), (290, 63612), (310, 59508), (342, 53940), (348, 53010), (360, 51243), (372, 49590), (380, 48546), (435, 42408), (456, 40455), (465, 39672), (513, 35960), (522, 35340), (540, 34162), (551, 33480), (558, 33060), (570, 32364), (580, 31806), (589, 31320), (620, 29754), (684, 26970), (696, 26505), (744, 24795), (760, 24273), (783, 23560), (837, 22040), (855, 21576), (870, 21204), (899, 20520), (930, 19836), (1026, 17980), (1044, 17670), (1080, 17081), (1102, 16740), (1116, 16530), (1140, 16182), (1160, 15903), (1178, 15660), (1240, 14877), (1305, 14136), (1368, 13485), (1395, 13224), (1566, 11780), (1653, 11160), (1674, 11020), (1710, 10788), (1740, 10602), (1767, 10440), (1798, 10260), (1860, 9918), (2052, 8990), (2088, 8835), (2204, 8370), (2232, 8265), (2280, 8091), (2356, 7830), (2565, 7192), (2610, 7068), (2697, 6840), (2755, 6696), (2790, 6612), (2945, 6264), (3132, 5890), (3306, 5580), (3348, 5510), (3420, 5394), (3480, 5301), (3534, 5220), (3596, 5130), (3720, 4959), (3915, 4712), (4104, 4495), (4185, 4408)]