8061863880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{21001}}^1$

素因数の和:21479

約数の個数: 128

約数和(自身を含む): 27702478080

約数和(自身を除く): 19640614200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 457, 840, 914, 1371, 1828, 2285, 2742, 3199, 3656, 4570, 5484, 6398, 6855, 9140, 9597, 10968, 12796, 13710, 15995, 18280, 19194, 21001, 25592, 27420, 31990, 38388, 42002, 47985, 54840, 63003, 63980, 76776, 84004, 95970, 105005, 126006, 127960, 147007, 168008, 191940, 210010, 252012, 294014, 315015, 383880, 420020, 441021, 504024, 588028, 630030, 735035, 840040, 882042, 1176056, 1260060, 1470070, 1764084, 2205105, 2520120, 2940140, 3528168, 4410210, 5880280, 8820420, 9597457, 17640840, 19194914, 28792371, 38389828, 47987285, 57584742, 67182199, 76779656, 95974570, 115169484, 134364398, 143961855, 191949140, 201546597, 230338968, 268728796, 287923710, 335910995, 383898280, 403093194, 537457592, 575847420, 671821990, 806186388, 1007732985, 1151694840, 1343643980, 1612372776, 2015465970, 2687287960, 4030931940, 8061863880]

約数ペア:

[(1, 8061863880), (2, 4030931940), (3, 2687287960), (4, 2015465970), (5, 1612372776), (6, 1343643980), (7, 1151694840), (8, 1007732985), (10, 806186388), (12, 671821990), (14, 575847420), (15, 537457592), (20, 403093194), (21, 383898280), (24, 335910995), (28, 287923710), (30, 268728796), (35, 230338968), (40, 201546597), (42, 191949140), (56, 143961855), (60, 134364398), (70, 115169484), (84, 95974570), (105, 76779656), (120, 67182199), (140, 57584742), (168, 47987285), (210, 38389828), (280, 28792371), (420, 19194914), (457, 17640840), (840, 9597457), (914, 8820420), (1371, 5880280), (1828, 4410210), (2285, 3528168), (2742, 2940140), (3199, 2520120), (3656, 2205105), (4570, 1764084), (5484, 1470070), (6398, 1260060), (6855, 1176056), (9140, 882042), (9597, 840040), (10968, 735035), (12796, 630030), (13710, 588028), (15995, 504024), (18280, 441021), (19194, 420020), (21001, 383880), (25592, 315015), (27420, 294014), (31990, 252012), (38388, 210010), (42002, 191940), (47985, 168008), (54840, 147007), (63003, 127960), (63980, 126006), (76776, 105005), (84004, 95970)]