164487900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:412

約数の個数: 144

約数和(自身を含む): 500467968

約数和(自身を除く): 335980068

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 41, 43, 50, 60, 75, 82, 86, 100, 123, 129, 150, 164, 172, 205, 215, 246, 258, 300, 311, 410, 430, 492, 516, 615, 622, 645, 820, 860, 933, 1025, 1075, 1230, 1244, 1290, 1555, 1763, 1866, 2050, 2150, 2460, 2580, 3075, 3110, 3225, 3526, 3732, 4100, 4300, 4665, 5289, 6150, 6220, 6450, 7052, 7775, 8815, 9330, 10578, 12300, 12751, 12900, 13373, 15550, 17630, 18660, 21156, 23325, 25502, 26445, 26746, 31100, 35260, 38253, 40119, 44075, 46650, 51004, 52890, 53492, 63755, 66865, 76506, 80238, 88150, 93300, 105780, 127510, 132225, 133730, 153012, 160476, 176300, 191265, 200595, 255020, 264450, 267460, 318775, 334325, 382530, 401190, 528900, 548293, 637550, 668650, 765060, 802380, 956325, 1002975, 1096586, 1275100, 1337300, 1644879, 1912650, 2005950, 2193172, 2741465, 3289758, 3825300, 4011900, 5482930, 6579516, 8224395, 10965860, 13707325, 16448790, 27414650, 32897580, 41121975, 54829300, 82243950, 164487900]

約数ペア:

[(1, 164487900), (2, 82243950), (3, 54829300), (4, 41121975), (5, 32897580), (6, 27414650), (10, 16448790), (12, 13707325), (15, 10965860), (20, 8224395), (25, 6579516), (30, 5482930), (41, 4011900), (43, 3825300), (50, 3289758), (60, 2741465), (75, 2193172), (82, 2005950), (86, 1912650), (100, 1644879), (123, 1337300), (129, 1275100), (150, 1096586), (164, 1002975), (172, 956325), (205, 802380), (215, 765060), (246, 668650), (258, 637550), (300, 548293), (311, 528900), (410, 401190), (430, 382530), (492, 334325), (516, 318775), (615, 267460), (622, 264450), (645, 255020), (820, 200595), (860, 191265), (933, 176300), (1025, 160476), (1075, 153012), (1230, 133730), (1244, 132225), (1290, 127510), (1555, 105780), (1763, 93300), (1866, 88150), (2050, 80238), (2150, 76506), (2460, 66865), (2580, 63755), (3075, 53492), (3110, 52890), (3225, 51004), (3526, 46650), (3732, 44075), (4100, 40119), (4300, 38253), (4665, 35260), (5289, 31100), (6150, 26746), (6220, 26445), (6450, 25502), (7052, 23325), (7775, 21156), (8815, 18660), (9330, 17630), (10578, 15550), (12300, 13373), (12751, 12900)]