25502940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7457}}^1$

素因数の和:7491

約数の個数: 72

約数和(自身を含む): 81441360

約数和(自身を除く): 55938420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 7457, 14914, 22371, 29828, 37285, 44742, 67113, 74570, 89484, 111855, 134226, 141683, 149140, 223710, 268452, 283366, 335565, 425049, 447420, 566732, 671130, 708415, 850098, 1275147, 1342260, 1416830, 1700196, 2125245, 2550294, 2833660, 4250490, 5100588, 6375735, 8500980, 12751470, 25502940]

約数ペア:

[(1, 25502940), (2, 12751470), (3, 8500980), (4, 6375735), (5, 5100588), (6, 4250490), (9, 2833660), (10, 2550294), (12, 2125245), (15, 1700196), (18, 1416830), (19, 1342260), (20, 1275147), (30, 850098), (36, 708415), (38, 671130), (45, 566732), (57, 447420), (60, 425049), (76, 335565), (90, 283366), (95, 268452), (114, 223710), (171, 149140), (180, 141683), (190, 134226), (228, 111855), (285, 89484), (342, 74570), (380, 67113), (570, 44742), (684, 37285), (855, 29828), (1140, 22371), (1710, 14914), (3420, 7457)]