15438871640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1\times {\mathrm{3167}}^1$

素因数の和:3369

約数の個数: 128

約数和(自身を含む): 37690583040

約数和(自身を除く): 22251711400

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 107, 134, 136, 170, 214, 268, 335, 340, 428, 535, 536, 670, 680, 856, 1070, 1139, 1340, 1819, 2140, 2278, 2680, 3167, 3638, 4280, 4556, 5695, 6334, 7169, 7276, 9095, 9112, 11390, 12668, 14338, 14552, 15835, 18190, 22780, 25336, 28676, 31670, 35845, 36380, 45560, 53839, 57352, 63340, 71690, 72760, 107678, 121873, 126680, 143380, 212189, 215356, 243746, 269195, 286760, 338869, 424378, 430712, 487492, 538390, 609365, 677738, 848756, 974984, 1060945, 1076780, 1218730, 1355476, 1694345, 1697512, 2121890, 2153560, 2437460, 2710952, 3388690, 3607213, 4243780, 4874920, 5760773, 6777380, 7214426, 8487560, 11521546, 13554760, 14428852, 18036065, 22704223, 23043092, 28803865, 28857704, 36072130, 45408446, 46086184, 57607730, 72144260, 90816892, 113521115, 115215460, 144288520, 181633784, 227042230, 230430920, 385971791, 454084460, 771943582, 908168920, 1543887164, 1929858955, 3087774328, 3859717910, 7719435820, 15438871640]

約数ペア:

[(1, 15438871640), (2, 7719435820), (4, 3859717910), (5, 3087774328), (8, 1929858955), (10, 1543887164), (17, 908168920), (20, 771943582), (34, 454084460), (40, 385971791), (67, 230430920), (68, 227042230), (85, 181633784), (107, 144288520), (134, 115215460), (136, 113521115), (170, 90816892), (214, 72144260), (268, 57607730), (335, 46086184), (340, 45408446), (428, 36072130), (535, 28857704), (536, 28803865), (670, 23043092), (680, 22704223), (856, 18036065), (1070, 14428852), (1139, 13554760), (1340, 11521546), (1819, 8487560), (2140, 7214426), (2278, 6777380), (2680, 5760773), (3167, 4874920), (3638, 4243780), (4280, 3607213), (4556, 3388690), (5695, 2710952), (6334, 2437460), (7169, 2153560), (7276, 2121890), (9095, 1697512), (9112, 1694345), (11390, 1355476), (12668, 1218730), (14338, 1076780), (14552, 1060945), (15835, 974984), (18190, 848756), (22780, 677738), (25336, 609365), (28676, 538390), (31670, 487492), (35845, 430712), (36380, 424378), (45560, 338869), (53839, 286760), (57352, 269195), (63340, 243746), (71690, 215356), (72760, 212189), (107678, 143380), (121873, 126680)]