64436216960

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{19699}}^1$

素因数の和:20006

約数の個数: 128

約数和(自身を含む): 162761400000

約数和(自身を除く): 98325183040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 269, 304, 320, 380, 538, 608, 640, 760, 1076, 1216, 1345, 1520, 2152, 2432, 2690, 3040, 4304, 5111, 5380, 6080, 8608, 10222, 10760, 12160, 17216, 19699, 20444, 21520, 25555, 34432, 39398, 40888, 43040, 51110, 78796, 81776, 86080, 98495, 102220, 157592, 163552, 172160, 196990, 204440, 315184, 327104, 374281, 393980, 408880, 630368, 654208, 748562, 787960, 817760, 1260736, 1497124, 1575920, 1635520, 1871405, 2521472, 2994248, 3151840, 3271040, 3742810, 5299031, 5988496, 6303680, 7485620, 10598062, 11976992, 12607360, 14971240, 21196124, 23953984, 26495155, 29942480, 42392248, 47907968, 52990310, 59884960, 84784496, 100681589, 105980620, 119769920, 169568992, 201363178, 211961240, 239539840, 339137984, 402726356, 423922480, 503407945, 678275968, 805452712, 847844960, 1006815890, 1610905424, 1695689920, 2013631780, 3221810848, 3391379840, 4027263560, 6443621696, 8054527120, 12887243392, 16109054240, 32218108480, 64436216960]

約数ペア:

[(1, 64436216960), (2, 32218108480), (4, 16109054240), (5, 12887243392), (8, 8054527120), (10, 6443621696), (16, 4027263560), (19, 3391379840), (20, 3221810848), (32, 2013631780), (38, 1695689920), (40, 1610905424), (64, 1006815890), (76, 847844960), (80, 805452712), (95, 678275968), (128, 503407945), (152, 423922480), (160, 402726356), (190, 339137984), (269, 239539840), (304, 211961240), (320, 201363178), (380, 169568992), (538, 119769920), (608, 105980620), (640, 100681589), (760, 84784496), (1076, 59884960), (1216, 52990310), (1345, 47907968), (1520, 42392248), (2152, 29942480), (2432, 26495155), (2690, 23953984), (3040, 21196124), (4304, 14971240), (5111, 12607360), (5380, 11976992), (6080, 10598062), (8608, 7485620), (10222, 6303680), (10760, 5988496), (12160, 5299031), (17216, 3742810), (19699, 3271040), (20444, 3151840), (21520, 2994248), (25555, 2521472), (34432, 1871405), (39398, 1635520), (40888, 1575920), (43040, 1497124), (51110, 1260736), (78796, 817760), (81776, 787960), (86080, 748562), (98495, 654208), (102220, 630368), (157592, 408880), (163552, 393980), (172160, 374281), (196990, 327104), (204440, 315184)]