123454400

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 168

約数和(自身を含む): 332597760

約数和(自身を除く): 209143360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 32, 38, 40, 50, 62, 64, 76, 80, 95, 100, 124, 131, 152, 155, 160, 190, 200, 248, 262, 304, 310, 320, 380, 400, 475, 496, 524, 589, 608, 620, 655, 760, 775, 800, 950, 992, 1048, 1178, 1216, 1240, 1310, 1520, 1550, 1600, 1900, 1984, 2096, 2356, 2480, 2489, 2620, 2945, 3040, 3100, 3275, 3800, 4061, 4192, 4712, 4960, 4978, 5240, 5890, 6080, 6200, 6550, 7600, 8122, 8384, 9424, 9920, 9956, 10480, 11780, 12400, 12445, 13100, 14725, 15200, 16244, 18848, 19912, 20305, 20960, 23560, 24800, 24890, 26200, 29450, 30400, 32488, 37696, 39824, 40610, 41920, 47120, 49600, 49780, 52400, 58900, 62225, 64976, 77159, 79648, 81220, 94240, 99560, 101525, 104800, 117800, 124450, 129952, 154318, 159296, 162440, 188480, 199120, 203050, 209600, 235600, 248900, 259904, 308636, 324880, 385795, 398240, 406100, 471200, 497800, 617272, 649760, 771590, 796480, 812200, 942400, 995600, 1234544, 1299520, 1543180, 1624400, 1928975, 1991200, 2469088, 3086360, 3248800, 3857950, 3982400, 4938176, 6172720, 6497600, 7715900, 12345440, 15431800, 24690880, 30863600, 61727200, 123454400]

約数ペア:

[(1, 123454400), (2, 61727200), (4, 30863600), (5, 24690880), (8, 15431800), (10, 12345440), (16, 7715900), (19, 6497600), (20, 6172720), (25, 4938176), (31, 3982400), (32, 3857950), (38, 3248800), (40, 3086360), (50, 2469088), (62, 1991200), (64, 1928975), (76, 1624400), (80, 1543180), (95, 1299520), (100, 1234544), (124, 995600), (131, 942400), (152, 812200), (155, 796480), (160, 771590), (190, 649760), (200, 617272), (248, 497800), (262, 471200), (304, 406100), (310, 398240), (320, 385795), (380, 324880), (400, 308636), (475, 259904), (496, 248900), (524, 235600), (589, 209600), (608, 203050), (620, 199120), (655, 188480), (760, 162440), (775, 159296), (800, 154318), (950, 129952), (992, 124450), (1048, 117800), (1178, 104800), (1216, 101525), (1240, 99560), (1310, 94240), (1520, 81220), (1550, 79648), (1600, 77159), (1900, 64976), (1984, 62225), (2096, 58900), (2356, 52400), (2480, 49780), (2489, 49600), (2620, 47120), (2945, 41920), (3040, 40610), (3100, 39824), (3275, 37696), (3800, 32488), (4061, 30400), (4192, 29450), (4712, 26200), (4960, 24890), (4978, 24800), (5240, 23560), (5890, 20960), (6080, 20305), (6200, 19912), (6550, 18848), (7600, 16244), (8122, 15200), (8384, 14725), (9424, 13100), (9920, 12445), (9956, 12400), (10480, 11780)]