217487760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{129457}}^1$

素因数の和:129480

約数の個数: 80

約数和(自身を含む): 770534016

約数和(自身を除く): 553046256

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 129457, 258914, 388371, 517828, 647285, 776742, 906199, 1035656, 1294570, 1553484, 1812398, 1941855, 2071312, 2589140, 2718597, 3106968, 3624796, 3883710, 4530995, 5178280, 5437194, 6213936, 7249592, 7767420, 9061990, 10356560, 10874388, 13592985, 14499184, 15534840, 18123980, 21748776, 27185970, 31069680, 36247960, 43497552, 54371940, 72495920, 108743880, 217487760]

約数ペア:

[(1, 217487760), (2, 108743880), (3, 72495920), (4, 54371940), (5, 43497552), (6, 36247960), (7, 31069680), (8, 27185970), (10, 21748776), (12, 18123980), (14, 15534840), (15, 14499184), (16, 13592985), (20, 10874388), (21, 10356560), (24, 9061990), (28, 7767420), (30, 7249592), (35, 6213936), (40, 5437194), (42, 5178280), (48, 4530995), (56, 3883710), (60, 3624796), (70, 3106968), (80, 2718597), (84, 2589140), (105, 2071312), (112, 1941855), (120, 1812398), (140, 1553484), (168, 1294570), (210, 1035656), (240, 906199), (280, 776742), (336, 647285), (420, 517828), (560, 388371), (840, 258914), (1680, 129457)]