76489980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{26017}}^1$

素因数の和:26043

約数の個数: 72

約数和(自身を含む): 249148368

約数和(自身を除く): 172658388

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, 26017, 52034, 78051, 104068, 130085, 156102, 182119, 260170, 312204, 364238, 390255, 520340, 546357, 728476, 780510, 910595, 1092714, 1274833, 1561020, 1821190, 2185428, 2549666, 2731785, 3642380, 3824499, 5099332, 5463570, 6374165, 7648998, 10927140, 12748330, 15297996, 19122495, 25496660, 38244990, 76489980]

約数ペア:

[(1, 76489980), (2, 38244990), (3, 25496660), (4, 19122495), (5, 15297996), (6, 12748330), (7, 10927140), (10, 7648998), (12, 6374165), (14, 5463570), (15, 5099332), (20, 3824499), (21, 3642380), (28, 2731785), (30, 2549666), (35, 2185428), (42, 1821190), (49, 1561020), (60, 1274833), (70, 1092714), (84, 910595), (98, 780510), (105, 728476), (140, 546357), (147, 520340), (196, 390255), (210, 364238), (245, 312204), (294, 260170), (420, 182119), (490, 156102), (588, 130085), (735, 104068), (980, 78051), (1470, 52034), (2940, 26017)]