84868980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{28867}}^1$

素因数の和:28893

約数の個数: 72

約数和(自身を含む): 276439968

約数和(自身を除く): 191570988

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 28867, 57734, 86601, 115468, 144335, 173202, 202069, 288670, 346404, 404138, 433005, 577340, 606207, 808276, 866010, 1010345, 1212414, 1414483, 1732020, 2020690, 2424828, 2828966, 3031035, 4041380, 4243449, 5657932, 6062070, 7072415, 8486898, 12124140, 14144830, 16973796, 21217245, 28289660, 42434490, 84868980]

約数ペア:

[(1, 84868980), (2, 42434490), (3, 28289660), (4, 21217245), (5, 16973796), (6, 14144830), (7, 12124140), (10, 8486898), (12, 7072415), (14, 6062070), (15, 5657932), (20, 4243449), (21, 4041380), (28, 3031035), (30, 2828966), (35, 2424828), (42, 2020690), (49, 1732020), (60, 1414483), (70, 1212414), (84, 1010345), (98, 866010), (105, 808276), (140, 606207), (147, 577340), (196, 433005), (210, 404138), (245, 346404), (294, 288670), (420, 202069), (490, 173202), (588, 144335), (735, 115468), (980, 86601), (1470, 57734), (2940, 28867)]