139474440

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{971}}^1$

素因数の和:1017

約数の個数: 256

約数和(自身を含む): 559872000

約数和(自身を除く): 420397560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 27, 28, 30, 35, 36, 38, 40, 42, 45, 54, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 108, 114, 120, 126, 133, 135, 140, 152, 168, 171, 180, 189, 190, 210, 216, 228, 252, 266, 270, 280, 285, 315, 342, 360, 378, 380, 399, 420, 456, 504, 513, 532, 540, 570, 630, 665, 684, 756, 760, 798, 840, 855, 945, 971, 1026, 1064, 1080, 1140, 1197, 1260, 1330, 1368, 1512, 1596, 1710, 1890, 1942, 1995, 2052, 2280, 2394, 2520, 2565, 2660, 2913, 3192, 3420, 3591, 3780, 3884, 3990, 4104, 4788, 4855, 5130, 5320, 5826, 5985, 6797, 6840, 7182, 7560, 7768, 7980, 8739, 9576, 9710, 10260, 11652, 11970, 13594, 14364, 14565, 15960, 17478, 17955, 18449, 19420, 20391, 20520, 23304, 23940, 26217, 27188, 28728, 29130, 33985, 34956, 35910, 36898, 38840, 40782, 43695, 47880, 52434, 54376, 55347, 58260, 61173, 67970, 69912, 71820, 73796, 81564, 87390, 92245, 101955, 104868, 110694, 116520, 122346, 129143, 131085, 135940, 143640, 147592, 163128, 166041, 174780, 183519, 184490, 203910, 209736, 221388, 244692, 258286, 262170, 271880, 276735, 305865, 332082, 349560, 367038, 368980, 387429, 407820, 442776, 489384, 498123, 516572, 524340, 553470, 611730, 645715, 664164, 734076, 737960, 774858, 815640, 830205, 917595, 996246, 1033144, 1048680, 1106940, 1162287, 1223460, 1291430, 1328328, 1468152, 1549716, 1660410, 1835190, 1937145, 1992492, 2213880, 2324574, 2446920, 2490615, 2582860, 3099432, 3320820, 3486861, 3670380, 3874290, 3984984, 4649148, 4981230, 5165720, 5811435, 6641640, 6973722, 7340760, 7748580, 9298296, 9962460, 11622870, 13947444, 15497160, 17434305, 19924920, 23245740, 27894888, 34868610, 46491480, 69737220, 139474440]

約数ペア:

[(1, 139474440), (2, 69737220), (3, 46491480), (4, 34868610), (5, 27894888), (6, 23245740), (7, 19924920), (8, 17434305), (9, 15497160), (10, 13947444), (12, 11622870), (14, 9962460), (15, 9298296), (18, 7748580), (19, 7340760), (20, 6973722), (21, 6641640), (24, 5811435), (27, 5165720), (28, 4981230), (30, 4649148), (35, 3984984), (36, 3874290), (38, 3670380), (40, 3486861), (42, 3320820), (45, 3099432), (54, 2582860), (56, 2490615), (57, 2446920), (60, 2324574), (63, 2213880), (70, 1992492), (72, 1937145), (76, 1835190), (84, 1660410), (90, 1549716), (95, 1468152), (105, 1328328), (108, 1291430), (114, 1223460), (120, 1162287), (126, 1106940), (133, 1048680), (135, 1033144), (140, 996246), (152, 917595), (168, 830205), (171, 815640), (180, 774858), (189, 737960), (190, 734076), (210, 664164), (216, 645715), (228, 611730), (252, 553470), (266, 524340), (270, 516572), (280, 498123), (285, 489384), (315, 442776), (342, 407820), (360, 387429), (378, 368980), (380, 367038), (399, 349560), (420, 332082), (456, 305865), (504, 276735), (513, 271880), (532, 262170), (540, 258286), (570, 244692), (630, 221388), (665, 209736), (684, 203910), (756, 184490), (760, 183519), (798, 174780), (840, 166041), (855, 163128), (945, 147592), (971, 143640), (1026, 135940), (1064, 131085), (1080, 129143), (1140, 122346), (1197, 116520), (1260, 110694), (1330, 104868), (1368, 101955), (1512, 92245), (1596, 87390), (1710, 81564), (1890, 73796), (1942, 71820), (1995, 69912), (2052, 67970), (2280, 61173), (2394, 58260), (2520, 55347), (2565, 54376), (2660, 52434), (2913, 47880), (3192, 43695), (3420, 40782), (3591, 38840), (3780, 36898), (3884, 35910), (3990, 34956), (4104, 33985), (4788, 29130), (4855, 28728), (5130, 27188), (5320, 26217), (5826, 23940), (5985, 23304), (6797, 20520), (6840, 20391), (7182, 19420), (7560, 18449), (7768, 17955), (7980, 17478), (8739, 15960), (9576, 14565), (9710, 14364), (10260, 13594), (11652, 11970)]