319448800

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1171}}^1$

素因数の和:1233

約数の個数: 144

約数和(自身を含む): 878943744

約数和(自身を除く): 559494944

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 62, 80, 88, 100, 110, 124, 155, 160, 176, 200, 220, 248, 275, 310, 341, 352, 400, 440, 496, 550, 620, 682, 775, 800, 880, 992, 1100, 1171, 1240, 1364, 1550, 1705, 1760, 2200, 2342, 2480, 2728, 3100, 3410, 4400, 4684, 4960, 5456, 5855, 6200, 6820, 8525, 8800, 9368, 10912, 11710, 12400, 12881, 13640, 17050, 18736, 23420, 24800, 25762, 27280, 29275, 34100, 36301, 37472, 46840, 51524, 54560, 58550, 64405, 68200, 72602, 93680, 103048, 117100, 128810, 136400, 145204, 181505, 187360, 206096, 234200, 257620, 272800, 290408, 322025, 363010, 399311, 412192, 468400, 515240, 580816, 644050, 726020, 798622, 907525, 936800, 1030480, 1161632, 1288100, 1452040, 1597244, 1815050, 1996555, 2060960, 2576200, 2904080, 3194488, 3630100, 3993110, 5152400, 5808160, 6388976, 7260200, 7986220, 9982775, 10304800, 12777952, 14520400, 15972440, 19965550, 29040800, 31944880, 39931100, 63889760, 79862200, 159724400, 319448800]

約数ペア:

[(1, 319448800), (2, 159724400), (4, 79862200), (5, 63889760), (8, 39931100), (10, 31944880), (11, 29040800), (16, 19965550), (20, 15972440), (22, 14520400), (25, 12777952), (31, 10304800), (32, 9982775), (40, 7986220), (44, 7260200), (50, 6388976), (55, 5808160), (62, 5152400), (80, 3993110), (88, 3630100), (100, 3194488), (110, 2904080), (124, 2576200), (155, 2060960), (160, 1996555), (176, 1815050), (200, 1597244), (220, 1452040), (248, 1288100), (275, 1161632), (310, 1030480), (341, 936800), (352, 907525), (400, 798622), (440, 726020), (496, 644050), (550, 580816), (620, 515240), (682, 468400), (775, 412192), (800, 399311), (880, 363010), (992, 322025), (1100, 290408), (1171, 272800), (1240, 257620), (1364, 234200), (1550, 206096), (1705, 187360), (1760, 181505), (2200, 145204), (2342, 136400), (2480, 128810), (2728, 117100), (3100, 103048), (3410, 93680), (4400, 72602), (4684, 68200), (4960, 64405), (5456, 58550), (5855, 54560), (6200, 51524), (6820, 46840), (8525, 37472), (8800, 36301), (9368, 34100), (10912, 29275), (11710, 27280), (12400, 25762), (12881, 24800), (13640, 23420), (17050, 18736)]