320170140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{523}}^1$

素因数の和:736

約数の個数: 144

約数和(自身を含む): 1029974400

約数和(自身を除く): 709804260

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, 179, 180, 190, 228, 285, 342, 358, 380, 523, 537, 570, 684, 716, 855, 895, 1046, 1074, 1140, 1569, 1611, 1710, 1790, 2092, 2148, 2615, 2685, 3138, 3222, 3401, 3420, 3580, 4707, 5230, 5370, 6276, 6444, 6802, 7845, 8055, 9414, 9937, 10203, 10460, 10740, 13604, 15690, 16110, 17005, 18828, 19874, 20406, 23535, 29811, 30609, 31380, 32220, 34010, 39748, 40812, 47070, 49685, 51015, 59622, 61218, 68020, 89433, 93617, 94140, 99370, 102030, 119244, 122436, 149055, 153045, 178866, 187234, 198740, 204060, 280851, 298110, 306090, 357732, 374468, 447165, 468085, 561702, 596220, 612180, 842553, 894330, 936170, 1123404, 1404255, 1685106, 1778723, 1788660, 1872340, 2808510, 3370212, 3557446, 4212765, 5336169, 5617020, 7114892, 8425530, 8893615, 10672338, 16008507, 16851060, 17787230, 21344676, 26680845, 32017014, 35574460, 53361690, 64034028, 80042535, 106723380, 160085070, 320170140]

約数ペア:

[(1, 320170140), (2, 160085070), (3, 106723380), (4, 80042535), (5, 64034028), (6, 53361690), (9, 35574460), (10, 32017014), (12, 26680845), (15, 21344676), (18, 17787230), (19, 16851060), (20, 16008507), (30, 10672338), (36, 8893615), (38, 8425530), (45, 7114892), (57, 5617020), (60, 5336169), (76, 4212765), (90, 3557446), (95, 3370212), (114, 2808510), (171, 1872340), (179, 1788660), (180, 1778723), (190, 1685106), (228, 1404255), (285, 1123404), (342, 936170), (358, 894330), (380, 842553), (523, 612180), (537, 596220), (570, 561702), (684, 468085), (716, 447165), (855, 374468), (895, 357732), (1046, 306090), (1074, 298110), (1140, 280851), (1569, 204060), (1611, 198740), (1710, 187234), (1790, 178866), (2092, 153045), (2148, 149055), (2615, 122436), (2685, 119244), (3138, 102030), (3222, 99370), (3401, 94140), (3420, 93617), (3580, 89433), (4707, 68020), (5230, 61218), (5370, 59622), (6276, 51015), (6444, 49685), (6802, 47070), (7845, 40812), (8055, 39748), (9414, 34010), (9937, 32220), (10203, 31380), (10460, 30609), (10740, 29811), (13604, 23535), (15690, 20406), (16110, 19874), (17005, 18828)]