249894540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8623}}^1$

素因数の和:8668

約数の個数: 144

約数和(自身を含む): 904071168

約数和(自身を除く): 654176628

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 28, 30, 35, 36, 42, 45, 46, 60, 63, 69, 70, 84, 90, 92, 105, 115, 126, 138, 140, 161, 180, 207, 210, 230, 252, 276, 315, 322, 345, 414, 420, 460, 483, 630, 644, 690, 805, 828, 966, 1035, 1260, 1380, 1449, 1610, 1932, 2070, 2415, 2898, 3220, 4140, 4830, 5796, 7245, 8623, 9660, 14490, 17246, 25869, 28980, 34492, 43115, 51738, 60361, 77607, 86230, 103476, 120722, 129345, 155214, 172460, 181083, 198329, 241444, 258690, 301805, 310428, 362166, 388035, 396658, 517380, 543249, 594987, 603610, 724332, 776070, 793316, 905415, 991645, 1086498, 1189974, 1207220, 1388303, 1552140, 1784961, 1810830, 1983290, 2172996, 2379948, 2716245, 2776606, 2974935, 3569922, 3621660, 3966580, 4164909, 5432490, 5553212, 5949870, 6941515, 7139844, 8329818, 8924805, 10864980, 11899740, 12494727, 13883030, 16659636, 17849610, 20824545, 24989454, 27766060, 35699220, 41649090, 49978908, 62473635, 83298180, 124947270, 249894540]

約数ペア:

[(1, 249894540), (2, 124947270), (3, 83298180), (4, 62473635), (5, 49978908), (6, 41649090), (7, 35699220), (9, 27766060), (10, 24989454), (12, 20824545), (14, 17849610), (15, 16659636), (18, 13883030), (20, 12494727), (21, 11899740), (23, 10864980), (28, 8924805), (30, 8329818), (35, 7139844), (36, 6941515), (42, 5949870), (45, 5553212), (46, 5432490), (60, 4164909), (63, 3966580), (69, 3621660), (70, 3569922), (84, 2974935), (90, 2776606), (92, 2716245), (105, 2379948), (115, 2172996), (126, 1983290), (138, 1810830), (140, 1784961), (161, 1552140), (180, 1388303), (207, 1207220), (210, 1189974), (230, 1086498), (252, 991645), (276, 905415), (315, 793316), (322, 776070), (345, 724332), (414, 603610), (420, 594987), (460, 543249), (483, 517380), (630, 396658), (644, 388035), (690, 362166), (805, 310428), (828, 301805), (966, 258690), (1035, 241444), (1260, 198329), (1380, 181083), (1449, 172460), (1610, 155214), (1932, 129345), (2070, 120722), (2415, 103476), (2898, 86230), (3220, 77607), (4140, 60361), (4830, 51738), (5796, 43115), (7245, 34492), (8623, 28980), (9660, 25869), (14490, 17246)]