2003156820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{17863}}^1$

素因数の和:17974

約数の個数: 144

約数和(自身を含む): 7022695680

約数和(自身を除く): 5019538860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 89, 90, 105, 126, 140, 178, 180, 210, 252, 267, 315, 356, 420, 445, 534, 623, 630, 801, 890, 1068, 1246, 1260, 1335, 1602, 1780, 1869, 2492, 2670, 3115, 3204, 3738, 4005, 5340, 5607, 6230, 7476, 8010, 9345, 11214, 12460, 16020, 17863, 18690, 22428, 28035, 35726, 37380, 53589, 56070, 71452, 89315, 107178, 112140, 125041, 160767, 178630, 214356, 250082, 267945, 321534, 357260, 375123, 500164, 535890, 625205, 643068, 750246, 803835, 1071780, 1125369, 1250410, 1500492, 1589807, 1607670, 1875615, 2250738, 2500820, 3179614, 3215340, 3751230, 4501476, 4769421, 5626845, 6359228, 7502460, 7949035, 9538842, 11128649, 11253690, 14308263, 15898070, 19077684, 22257298, 22507380, 23847105, 28616526, 31796140, 33385947, 44514596, 47694210, 55643245, 57233052, 66771894, 71541315, 95388420, 100157841, 111286490, 133543788, 143082630, 166929735, 200315682, 222572980, 286165260, 333859470, 400631364, 500789205, 667718940, 1001578410, 2003156820]

約数ペア:

[(1, 2003156820), (2, 1001578410), (3, 667718940), (4, 500789205), (5, 400631364), (6, 333859470), (7, 286165260), (9, 222572980), (10, 200315682), (12, 166929735), (14, 143082630), (15, 133543788), (18, 111286490), (20, 100157841), (21, 95388420), (28, 71541315), (30, 66771894), (35, 57233052), (36, 55643245), (42, 47694210), (45, 44514596), (60, 33385947), (63, 31796140), (70, 28616526), (84, 23847105), (89, 22507380), (90, 22257298), (105, 19077684), (126, 15898070), (140, 14308263), (178, 11253690), (180, 11128649), (210, 9538842), (252, 7949035), (267, 7502460), (315, 6359228), (356, 5626845), (420, 4769421), (445, 4501476), (534, 3751230), (623, 3215340), (630, 3179614), (801, 2500820), (890, 2250738), (1068, 1875615), (1246, 1607670), (1260, 1589807), (1335, 1500492), (1602, 1250410), (1780, 1125369), (1869, 1071780), (2492, 803835), (2670, 750246), (3115, 643068), (3204, 625205), (3738, 535890), (4005, 500164), (5340, 375123), (5607, 357260), (6230, 321534), (7476, 267945), (8010, 250082), (9345, 214356), (11214, 178630), (12460, 160767), (16020, 125041), (17863, 112140), (18690, 107178), (22428, 89315), (28035, 71452), (35726, 56070), (37380, 53589)]