28815210

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1$

素因数の和:213

約数の個数: 128

約数和(自身を含む): 83462400

約数和(自身を除く): 54647190

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 27, 30, 38, 41, 45, 54, 57, 82, 90, 95, 114, 123, 135, 137, 171, 190, 205, 246, 270, 274, 285, 342, 369, 410, 411, 513, 570, 615, 685, 738, 779, 822, 855, 1026, 1107, 1230, 1233, 1370, 1558, 1710, 1845, 2055, 2214, 2337, 2466, 2565, 2603, 3690, 3699, 3895, 4110, 4674, 5130, 5206, 5535, 5617, 6165, 7011, 7398, 7790, 7809, 11070, 11234, 11685, 12330, 13015, 14022, 15618, 16851, 18495, 21033, 23370, 23427, 26030, 28085, 33702, 35055, 36990, 39045, 42066, 46854, 50553, 56170, 70110, 70281, 78090, 84255, 101106, 105165, 106723, 117135, 140562, 151659, 168510, 210330, 213446, 234270, 252765, 303318, 320169, 351405, 505530, 533615, 640338, 702810, 758295, 960507, 1067230, 1516590, 1600845, 1921014, 2881521, 3201690, 4802535, 5763042, 9605070, 14407605, 28815210]

約数ペア:

[(1, 28815210), (2, 14407605), (3, 9605070), (5, 5763042), (6, 4802535), (9, 3201690), (10, 2881521), (15, 1921014), (18, 1600845), (19, 1516590), (27, 1067230), (30, 960507), (38, 758295), (41, 702810), (45, 640338), (54, 533615), (57, 505530), (82, 351405), (90, 320169), (95, 303318), (114, 252765), (123, 234270), (135, 213446), (137, 210330), (171, 168510), (190, 151659), (205, 140562), (246, 117135), (270, 106723), (274, 105165), (285, 101106), (342, 84255), (369, 78090), (410, 70281), (411, 70110), (513, 56170), (570, 50553), (615, 46854), (685, 42066), (738, 39045), (779, 36990), (822, 35055), (855, 33702), (1026, 28085), (1107, 26030), (1230, 23427), (1233, 23370), (1370, 21033), (1558, 18495), (1710, 16851), (1845, 15618), (2055, 14022), (2214, 13015), (2337, 12330), (2466, 11685), (2565, 11234), (2603, 11070), (3690, 7809), (3699, 7790), (3895, 7398), (4110, 7011), (4674, 6165), (5130, 5617), (5206, 5535)]