78375780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3659}}^1$

素因数の和:3698

約数の個数: 144

約数和(自身を含む): 287763840

約数和(自身を除く): 209388060

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, 3659, 4284, 5355, 7140, 7318, 10710, 10977, 14636, 18295, 21420, 21954, 25613, 32931, 36590, 43908, 51226, 54885, 62203, 65862, 73180, 76839, 102452, 109770, 124406, 128065, 131724, 153678, 164655, 186609, 219540, 230517, 248812, 256130, 307356, 311015, 329310, 373218, 384195, 435421, 461034, 512260, 559827, 622030, 658620, 746436, 768390, 870842, 922068, 933045, 1119654, 1152585, 1244060, 1306263, 1536780, 1741684, 1866090, 2177105, 2239308, 2305170, 2612526, 2799135, 3732180, 3918789, 4354210, 4610340, 5225052, 5598270, 6531315, 7837578, 8708420, 11196540, 13062630, 15675156, 19593945, 26125260, 39187890, 78375780]

約数ペア:

[(1, 78375780), (2, 39187890), (3, 26125260), (4, 19593945), (5, 15675156), (6, 13062630), (7, 11196540), (9, 8708420), (10, 7837578), (12, 6531315), (14, 5598270), (15, 5225052), (17, 4610340), (18, 4354210), (20, 3918789), (21, 3732180), (28, 2799135), (30, 2612526), (34, 2305170), (35, 2239308), (36, 2177105), (42, 1866090), (45, 1741684), (51, 1536780), (60, 1306263), (63, 1244060), (68, 1152585), (70, 1119654), (84, 933045), (85, 922068), (90, 870842), (102, 768390), (105, 746436), (119, 658620), (126, 622030), (140, 559827), (153, 512260), (170, 461034), (180, 435421), (204, 384195), (210, 373218), (238, 329310), (252, 311015), (255, 307356), (306, 256130), (315, 248812), (340, 230517), (357, 219540), (420, 186609), (476, 164655), (510, 153678), (595, 131724), (612, 128065), (630, 124406), (714, 109770), (765, 102452), (1020, 76839), (1071, 73180), (1190, 65862), (1260, 62203), (1428, 54885), (1530, 51226), (1785, 43908), (2142, 36590), (2380, 32931), (3060, 25613), (3570, 21954), (3659, 21420), (4284, 18295), (5355, 14636), (7140, 10977), (7318, 10710)]