212176620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{347}}^1$

素因数の和:484

約数の個数: 144

約数和(自身を含む): 668828160

約数和(自身を除く): 456651540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 79, 86, 90, 129, 158, 172, 180, 215, 237, 258, 316, 347, 387, 395, 430, 474, 516, 645, 694, 711, 774, 790, 860, 948, 1041, 1185, 1290, 1388, 1422, 1548, 1580, 1735, 1935, 2082, 2370, 2580, 2844, 3123, 3397, 3470, 3555, 3870, 4164, 4740, 5205, 6246, 6794, 6940, 7110, 7740, 10191, 10410, 12492, 13588, 14220, 14921, 15615, 16985, 20382, 20820, 27413, 29842, 30573, 31230, 33970, 40764, 44763, 50955, 54826, 59684, 61146, 62460, 67940, 74605, 82239, 89526, 101910, 109652, 122292, 134289, 137065, 149210, 152865, 164478, 179052, 203820, 223815, 246717, 268578, 274130, 298420, 305730, 328956, 411195, 447630, 493434, 537156, 548260, 611460, 671445, 822390, 895260, 986868, 1178759, 1233585, 1342890, 1644780, 2357518, 2467170, 2685780, 3536277, 4715036, 4934340, 5893795, 7072554, 10608831, 11787590, 14145108, 17681385, 21217662, 23575180, 35362770, 42435324, 53044155, 70725540, 106088310, 212176620]

約数ペア:

[(1, 212176620), (2, 106088310), (3, 70725540), (4, 53044155), (5, 42435324), (6, 35362770), (9, 23575180), (10, 21217662), (12, 17681385), (15, 14145108), (18, 11787590), (20, 10608831), (30, 7072554), (36, 5893795), (43, 4934340), (45, 4715036), (60, 3536277), (79, 2685780), (86, 2467170), (90, 2357518), (129, 1644780), (158, 1342890), (172, 1233585), (180, 1178759), (215, 986868), (237, 895260), (258, 822390), (316, 671445), (347, 611460), (387, 548260), (395, 537156), (430, 493434), (474, 447630), (516, 411195), (645, 328956), (694, 305730), (711, 298420), (774, 274130), (790, 268578), (860, 246717), (948, 223815), (1041, 203820), (1185, 179052), (1290, 164478), (1388, 152865), (1422, 149210), (1548, 137065), (1580, 134289), (1735, 122292), (1935, 109652), (2082, 101910), (2370, 89526), (2580, 82239), (2844, 74605), (3123, 67940), (3397, 62460), (3470, 61146), (3555, 59684), (3870, 54826), (4164, 50955), (4740, 44763), (5205, 40764), (6246, 33970), (6794, 31230), (6940, 30573), (7110, 29842), (7740, 27413), (10191, 20820), (10410, 20382), (12492, 16985), (13588, 15615), (14220, 14921)]