217687560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{311}}^1$

素因数の和:651

約数の個数: 128

約数和(自身を含む): 691891200

約数和(自身を除く): 474203640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 307, 311, 380, 456, 570, 614, 622, 760, 921, 933, 1140, 1228, 1244, 1535, 1555, 1842, 1866, 2280, 2456, 2488, 3070, 3110, 3684, 3732, 4605, 4665, 5833, 5909, 6140, 6220, 7368, 7464, 9210, 9330, 11666, 11818, 12280, 12440, 17499, 17727, 18420, 18660, 23332, 23636, 29165, 29545, 34998, 35454, 36840, 37320, 46664, 47272, 58330, 59090, 69996, 70908, 87495, 88635, 95477, 116660, 118180, 139992, 141816, 174990, 177270, 190954, 233320, 236360, 286431, 349980, 354540, 381908, 477385, 572862, 699960, 709080, 763816, 954770, 1145724, 1432155, 1814063, 1909540, 2291448, 2864310, 3628126, 3819080, 5442189, 5728620, 7256252, 9070315, 10884378, 11457240, 14512504, 18140630, 21768756, 27210945, 36281260, 43537512, 54421890, 72562520, 108843780, 217687560]

約数ペア:

[(1, 217687560), (2, 108843780), (3, 72562520), (4, 54421890), (5, 43537512), (6, 36281260), (8, 27210945), (10, 21768756), (12, 18140630), (15, 14512504), (19, 11457240), (20, 10884378), (24, 9070315), (30, 7256252), (38, 5728620), (40, 5442189), (57, 3819080), (60, 3628126), (76, 2864310), (95, 2291448), (114, 1909540), (120, 1814063), (152, 1432155), (190, 1145724), (228, 954770), (285, 763816), (307, 709080), (311, 699960), (380, 572862), (456, 477385), (570, 381908), (614, 354540), (622, 349980), (760, 286431), (921, 236360), (933, 233320), (1140, 190954), (1228, 177270), (1244, 174990), (1535, 141816), (1555, 139992), (1842, 118180), (1866, 116660), (2280, 95477), (2456, 88635), (2488, 87495), (3070, 70908), (3110, 69996), (3684, 59090), (3732, 58330), (4605, 47272), (4665, 46664), (5833, 37320), (5909, 36840), (6140, 35454), (6220, 34998), (7368, 29545), (7464, 29165), (9210, 23636), (9330, 23332), (11666, 18660), (11818, 18420), (12280, 17727), (12440, 17499)]