20439886320

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109609}}^1$

素因数の和:109672

約数の個数: 240

約数和(自身を含む): 80571241920

約数和(自身を除く): 60131355600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 48, 56, 60, 63, 70, 72, 74, 80, 84, 90, 105, 111, 112, 120, 126, 140, 144, 148, 168, 180, 185, 210, 222, 240, 252, 259, 280, 296, 315, 333, 336, 360, 370, 420, 444, 504, 518, 555, 560, 592, 630, 666, 720, 740, 777, 840, 888, 1008, 1036, 1110, 1260, 1295, 1332, 1480, 1554, 1665, 1680, 1776, 2072, 2220, 2331, 2520, 2590, 2664, 2960, 3108, 3330, 3885, 4144, 4440, 4662, 5040, 5180, 5328, 6216, 6660, 7770, 8880, 9324, 10360, 11655, 12432, 13320, 15540, 18648, 20720, 23310, 26640, 31080, 37296, 46620, 62160, 93240, 109609, 186480, 219218, 328827, 438436, 548045, 657654, 767263, 876872, 986481, 1096090, 1315308, 1534526, 1644135, 1753744, 1972962, 2192180, 2301789, 2630616, 3069052, 3288270, 3836315, 3945924, 4055533, 4384360, 4603578, 4932405, 5261232, 6138104, 6576540, 6905367, 7672630, 7891848, 8111066, 8768720, 9207156, 9864810, 11508945, 12166599, 12276208, 13153080, 13810734, 15345260, 15783696, 16222132, 18414312, 19729620, 20277665, 23017890, 24333198, 26306160, 27621468, 28388731, 30690520, 32444264, 34526835, 36499797, 36828624, 39459240, 40555330, 46035780, 48666396, 55242936, 56777462, 60832995, 61381040, 64888528, 69053670, 72999594, 78918480, 81110660, 85166193, 92071560, 97332792, 110485872, 113554924, 121665990, 138107340, 141943655, 145999188, 162221320, 170332386, 182498985, 184143120, 194665584, 227109848, 243331980, 255498579, 276214680, 283887310, 291998376, 324442640, 340664772, 364997970, 425830965, 454219696, 486663960, 510997158, 552429360, 567774620, 583996752, 681329544, 729995940, 851661930, 973327920, 1021994316, 1135549240, 1277492895, 1362659088, 1459991880, 1703323860, 2043988632, 2271098480, 2554985790, 2919983760, 3406647720, 4087977264, 5109971580, 6813295440, 10219943160, 20439886320]

約数ペア:

[(1, 20439886320), (2, 10219943160), (3, 6813295440), (4, 5109971580), (5, 4087977264), (6, 3406647720), (7, 2919983760), (8, 2554985790), (9, 2271098480), (10, 2043988632), (12, 1703323860), (14, 1459991880), (15, 1362659088), (16, 1277492895), (18, 1135549240), (20, 1021994316), (21, 973327920), (24, 851661930), (28, 729995940), (30, 681329544), (35, 583996752), (36, 567774620), (37, 552429360), (40, 510997158), (42, 486663960), (45, 454219696), (48, 425830965), (56, 364997970), (60, 340664772), (63, 324442640), (70, 291998376), (72, 283887310), (74, 276214680), (80, 255498579), (84, 243331980), (90, 227109848), (105, 194665584), (111, 184143120), (112, 182498985), (120, 170332386), (126, 162221320), (140, 145999188), (144, 141943655), (148, 138107340), (168, 121665990), (180, 113554924), (185, 110485872), (210, 97332792), (222, 92071560), (240, 85166193), (252, 81110660), (259, 78918480), (280, 72999594), (296, 69053670), (315, 64888528), (333, 61381040), (336, 60832995), (360, 56777462), (370, 55242936), (420, 48666396), (444, 46035780), (504, 40555330), (518, 39459240), (555, 36828624), (560, 36499797), (592, 34526835), (630, 32444264), (666, 30690520), (720, 28388731), (740, 27621468), (777, 26306160), (840, 24333198), (888, 23017890), (1008, 20277665), (1036, 19729620), (1110, 18414312), (1260, 16222132), (1295, 15783696), (1332, 15345260), (1480, 13810734), (1554, 13153080), (1665, 12276208), (1680, 12166599), (1776, 11508945), (2072, 9864810), (2220, 9207156), (2331, 8768720), (2520, 8111066), (2590, 7891848), (2664, 7672630), (2960, 6905367), (3108, 6576540), (3330, 6138104), (3885, 5261232), (4144, 4932405), (4440, 4603578), (4662, 4384360), (5040, 4055533), (5180, 3945924), (5328, 3836315), (6216, 3288270), (6660, 3069052), (7770, 2630616), (8880, 2301789), (9324, 2192180), (10360, 1972962), (11655, 1753744), (12432, 1644135), (13320, 1534526), (15540, 1315308), (18648, 1096090), (20720, 986481), (23310, 876872), (26640, 767263), (31080, 657654), (37296, 548045), (46620, 438436), (62160, 328827), (93240, 219218), (109609, 186480)]