1281655440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{3511}}^1$

素因数の和:3559

約数の個数: 240

約数和(自身を含む): 4781658240

約数和(自身を除く): 3500002800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 169, 180, 195, 208, 216, 234, 240, 260, 270, 312, 338, 351, 360, 390, 432, 468, 507, 520, 540, 585, 624, 676, 702, 720, 780, 845, 936, 1014, 1040, 1080, 1170, 1352, 1404, 1521, 1560, 1690, 1755, 1872, 2028, 2160, 2340, 2535, 2704, 2808, 3042, 3120, 3380, 3510, 3511, 4056, 4563, 4680, 5070, 5616, 6084, 6760, 7020, 7022, 7605, 8112, 9126, 9360, 10140, 10533, 12168, 13520, 14040, 14044, 15210, 17555, 18252, 20280, 21066, 22815, 24336, 28080, 28088, 30420, 31599, 35110, 36504, 40560, 42132, 45630, 45643, 52665, 56176, 60840, 63198, 70220, 73008, 84264, 91260, 91286, 94797, 105330, 121680, 126396, 136929, 140440, 157995, 168528, 182520, 182572, 189594, 210660, 228215, 252792, 273858, 280880, 315990, 365040, 365144, 379188, 410787, 421320, 456430, 473985, 505584, 547716, 593359, 631980, 684645, 730288, 758376, 821574, 842640, 912860, 947970, 1095432, 1186718, 1232361, 1263960, 1369290, 1516752, 1643148, 1780077, 1825720, 1895940, 2053935, 2190864, 2373436, 2464722, 2527920, 2738580, 2966795, 3286296, 3560154, 3651440, 3791880, 4107870, 4746872, 4929444, 5340231, 5477160, 5933590, 6161805, 6572592, 7120308, 7583760, 8215740, 8900385, 9493744, 9858888, 10680462, 10954320, 11867180, 12323610, 14240616, 16020693, 16431480, 17800770, 19717776, 21360924, 23734360, 24647220, 26701155, 28481232, 32041386, 32862960, 35601540, 42721848, 47468720, 49294440, 53402310, 64082772, 71203080, 80103465, 85443696, 98588880, 106804620, 128165544, 142406160, 160206930, 213609240, 256331088, 320413860, 427218480, 640827720, 1281655440]

約数ペア:

[(1, 1281655440), (2, 640827720), (3, 427218480), (4, 320413860), (5, 256331088), (6, 213609240), (8, 160206930), (9, 142406160), (10, 128165544), (12, 106804620), (13, 98588880), (15, 85443696), (16, 80103465), (18, 71203080), (20, 64082772), (24, 53402310), (26, 49294440), (27, 47468720), (30, 42721848), (36, 35601540), (39, 32862960), (40, 32041386), (45, 28481232), (48, 26701155), (52, 24647220), (54, 23734360), (60, 21360924), (65, 19717776), (72, 17800770), (78, 16431480), (80, 16020693), (90, 14240616), (104, 12323610), (108, 11867180), (117, 10954320), (120, 10680462), (130, 9858888), (135, 9493744), (144, 8900385), (156, 8215740), (169, 7583760), (180, 7120308), (195, 6572592), (208, 6161805), (216, 5933590), (234, 5477160), (240, 5340231), (260, 4929444), (270, 4746872), (312, 4107870), (338, 3791880), (351, 3651440), (360, 3560154), (390, 3286296), (432, 2966795), (468, 2738580), (507, 2527920), (520, 2464722), (540, 2373436), (585, 2190864), (624, 2053935), (676, 1895940), (702, 1825720), (720, 1780077), (780, 1643148), (845, 1516752), (936, 1369290), (1014, 1263960), (1040, 1232361), (1080, 1186718), (1170, 1095432), (1352, 947970), (1404, 912860), (1521, 842640), (1560, 821574), (1690, 758376), (1755, 730288), (1872, 684645), (2028, 631980), (2160, 593359), (2340, 547716), (2535, 505584), (2704, 473985), (2808, 456430), (3042, 421320), (3120, 410787), (3380, 379188), (3510, 365144), (3511, 365040), (4056, 315990), (4563, 280880), (4680, 273858), (5070, 252792), (5616, 228215), (6084, 210660), (6760, 189594), (7020, 182572), (7022, 182520), (7605, 168528), (8112, 157995), (9126, 140440), (9360, 136929), (10140, 126396), (10533, 121680), (12168, 105330), (13520, 94797), (14040, 91286), (14044, 91260), (15210, 84264), (17555, 73008), (18252, 70220), (20280, 63198), (21066, 60840), (22815, 56176), (24336, 52665), (28080, 45643), (28088, 45630), (30420, 42132), (31599, 40560), (35110, 36504)]