21305655200

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{14561}}^1$

素因数の和:14671

約数の個数: 144

約数和(自身を含む): 54604005120

約数和(自身を除く): 33298349920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 59, 62, 80, 100, 118, 124, 155, 160, 200, 236, 248, 295, 310, 400, 472, 496, 590, 620, 775, 800, 944, 992, 1180, 1240, 1475, 1550, 1829, 1888, 2360, 2480, 2950, 3100, 3658, 4720, 4960, 5900, 6200, 7316, 9145, 9440, 11800, 12400, 14561, 14632, 18290, 23600, 24800, 29122, 29264, 36580, 45725, 47200, 58244, 58528, 72805, 73160, 91450, 116488, 145610, 146320, 182900, 232976, 291220, 292640, 364025, 365800, 451391, 465952, 582440, 728050, 731600, 859099, 902782, 1164880, 1456100, 1463200, 1718198, 1805564, 2256955, 2329760, 2912200, 3436396, 3611128, 4295495, 4513910, 5824400, 6872792, 7222256, 8590990, 9027820, 11284775, 11648800, 13745584, 14444512, 17181980, 18055640, 21477475, 22569550, 26632069, 27491168, 34363960, 36111280, 42954950, 45139100, 53264138, 68727920, 72222560, 85909900, 90278200, 106528276, 133160345, 137455840, 171819800, 180556400, 213056552, 266320690, 343639600, 361112800, 426113104, 532641380, 665801725, 687279200, 852226208, 1065282760, 1331603450, 2130565520, 2663206900, 4261131040, 5326413800, 10652827600, 21305655200]

約数ペア:

[(1, 21305655200), (2, 10652827600), (4, 5326413800), (5, 4261131040), (8, 2663206900), (10, 2130565520), (16, 1331603450), (20, 1065282760), (25, 852226208), (31, 687279200), (32, 665801725), (40, 532641380), (50, 426113104), (59, 361112800), (62, 343639600), (80, 266320690), (100, 213056552), (118, 180556400), (124, 171819800), (155, 137455840), (160, 133160345), (200, 106528276), (236, 90278200), (248, 85909900), (295, 72222560), (310, 68727920), (400, 53264138), (472, 45139100), (496, 42954950), (590, 36111280), (620, 34363960), (775, 27491168), (800, 26632069), (944, 22569550), (992, 21477475), (1180, 18055640), (1240, 17181980), (1475, 14444512), (1550, 13745584), (1829, 11648800), (1888, 11284775), (2360, 9027820), (2480, 8590990), (2950, 7222256), (3100, 6872792), (3658, 5824400), (4720, 4513910), (4960, 4295495), (5900, 3611128), (6200, 3436396), (7316, 2912200), (9145, 2329760), (9440, 2256955), (11800, 1805564), (12400, 1718198), (14561, 1463200), (14632, 1456100), (18290, 1164880), (23600, 902782), (24800, 859099), (29122, 731600), (29264, 728050), (36580, 582440), (45725, 465952), (47200, 451391), (58244, 365800), (58528, 364025), (72805, 292640), (73160, 291220), (91450, 232976), (116488, 182900), (145610, 146320)]