720294840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{20627}}^1$

素因数の和:20741

約数の個数: 96

約数和(自身を含む): 2365206480

約数和(自身を除く): 1644911640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 97, 120, 180, 194, 291, 360, 388, 485, 582, 776, 873, 970, 1164, 1455, 1746, 1940, 2328, 2910, 3492, 3880, 4365, 5820, 6984, 8730, 11640, 17460, 20627, 34920, 41254, 61881, 82508, 103135, 123762, 165016, 185643, 206270, 247524, 309405, 371286, 412540, 495048, 618810, 742572, 825080, 928215, 1237620, 1485144, 1856430, 2000819, 2475240, 3712860, 4001638, 6002457, 7425720, 8003276, 10004095, 12004914, 16006552, 18007371, 20008190, 24009828, 30012285, 36014742, 40016380, 48019656, 60024570, 72029484, 80032760, 90036855, 120049140, 144058968, 180073710, 240098280, 360147420, 720294840]

約数ペア:

[(1, 720294840), (2, 360147420), (3, 240098280), (4, 180073710), (5, 144058968), (6, 120049140), (8, 90036855), (9, 80032760), (10, 72029484), (12, 60024570), (15, 48019656), (18, 40016380), (20, 36014742), (24, 30012285), (30, 24009828), (36, 20008190), (40, 18007371), (45, 16006552), (60, 12004914), (72, 10004095), (90, 8003276), (97, 7425720), (120, 6002457), (180, 4001638), (194, 3712860), (291, 2475240), (360, 2000819), (388, 1856430), (485, 1485144), (582, 1237620), (776, 928215), (873, 825080), (970, 742572), (1164, 618810), (1455, 495048), (1746, 412540), (1940, 371286), (2328, 309405), (2910, 247524), (3492, 206270), (3880, 185643), (4365, 165016), (5820, 123762), (6984, 103135), (8730, 82508), (11640, 61881), (17460, 41254), (20627, 34920)]