131111820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{6121}}^1$

素因数の和:6160

約数の個数: 144

約数和(自身を含む): 481336128

約数和(自身を除く): 350224308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 6121, 7140, 10710, 12242, 18363, 21420, 24484, 30605, 36726, 42847, 55089, 61210, 73452, 85694, 91815, 104057, 110178, 122420, 128541, 171388, 183630, 208114, 214235, 220356, 257082, 275445, 312171, 367260, 385623, 416228, 428470, 514164, 520285, 550890, 624342, 642705, 728399, 771246, 856940, 936513, 1040570, 1101780, 1248684, 1285410, 1456798, 1542492, 1560855, 1873026, 1928115, 2081140, 2185197, 2570820, 2913596, 3121710, 3641995, 3746052, 3856230, 4370394, 4682565, 6243420, 6555591, 7283990, 7712460, 8740788, 9365130, 10925985, 13111182, 14567980, 18730260, 21851970, 26222364, 32777955, 43703940, 65555910, 131111820]

約数ペア:

[(1, 131111820), (2, 65555910), (3, 43703940), (4, 32777955), (5, 26222364), (6, 21851970), (7, 18730260), (9, 14567980), (10, 13111182), (12, 10925985), (14, 9365130), (15, 8740788), (17, 7712460), (18, 7283990), (20, 6555591), (21, 6243420), (28, 4682565), (30, 4370394), (34, 3856230), (35, 3746052), (36, 3641995), (42, 3121710), (45, 2913596), (51, 2570820), (60, 2185197), (63, 2081140), (68, 1928115), (70, 1873026), (84, 1560855), (85, 1542492), (90, 1456798), (102, 1285410), (105, 1248684), (119, 1101780), (126, 1040570), (140, 936513), (153, 856940), (170, 771246), (180, 728399), (204, 642705), (210, 624342), (238, 550890), (252, 520285), (255, 514164), (306, 428470), (315, 416228), (340, 385623), (357, 367260), (420, 312171), (476, 275445), (510, 257082), (595, 220356), (612, 214235), (630, 208114), (714, 183630), (765, 171388), (1020, 128541), (1071, 122420), (1190, 110178), (1260, 104057), (1428, 91815), (1530, 85694), (1785, 73452), (2142, 61210), (2380, 55089), (3060, 42847), (3570, 36726), (4284, 30605), (5355, 24484), (6121, 21420), (7140, 18363), (10710, 12242)]