69996780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{761}}^1$

素因数の和:856

約数の個数: 144

約数和(自身を含む): 246302784

約数和(自身を除く): 176306004

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, 73, 84, 90, 105, 126, 140, 146, 180, 210, 219, 252, 292, 315, 365, 420, 438, 511, 630, 657, 730, 761, 876, 1022, 1095, 1260, 1314, 1460, 1522, 1533, 2044, 2190, 2283, 2555, 2628, 3044, 3066, 3285, 3805, 4380, 4566, 4599, 5110, 5327, 6132, 6570, 6849, 7610, 7665, 9132, 9198, 10220, 10654, 11415, 13140, 13698, 15220, 15330, 15981, 18396, 21308, 22830, 22995, 26635, 27396, 30660, 31962, 34245, 45660, 45990, 47943, 53270, 55553, 63924, 68490, 79905, 91980, 95886, 106540, 111106, 136980, 159810, 166659, 191772, 222212, 239715, 277765, 319620, 333318, 388871, 479430, 499977, 555530, 666636, 777742, 833295, 958860, 999954, 1111060, 1166613, 1555484, 1666590, 1944355, 1999908, 2333226, 2499885, 3333180, 3499839, 3888710, 4666452, 4999770, 5833065, 6999678, 7777420, 9999540, 11666130, 13999356, 17499195, 23332260, 34998390, 69996780]

約数ペア:

[(1, 69996780), (2, 34998390), (3, 23332260), (4, 17499195), (5, 13999356), (6, 11666130), (7, 9999540), (9, 7777420), (10, 6999678), (12, 5833065), (14, 4999770), (15, 4666452), (18, 3888710), (20, 3499839), (21, 3333180), (28, 2499885), (30, 2333226), (35, 1999908), (36, 1944355), (42, 1666590), (45, 1555484), (60, 1166613), (63, 1111060), (70, 999954), (73, 958860), (84, 833295), (90, 777742), (105, 666636), (126, 555530), (140, 499977), (146, 479430), (180, 388871), (210, 333318), (219, 319620), (252, 277765), (292, 239715), (315, 222212), (365, 191772), (420, 166659), (438, 159810), (511, 136980), (630, 111106), (657, 106540), (730, 95886), (761, 91980), (876, 79905), (1022, 68490), (1095, 63924), (1260, 55553), (1314, 53270), (1460, 47943), (1522, 45990), (1533, 45660), (2044, 34245), (2190, 31962), (2283, 30660), (2555, 27396), (2628, 26635), (3044, 22995), (3066, 22830), (3285, 21308), (3805, 18396), (4380, 15981), (4566, 15330), (4599, 15220), (5110, 13698), (5327, 13140), (6132, 11415), (6570, 10654), (6849, 10220), (7610, 9198), (7665, 9132)]