31385910

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:166

約数の個数: 128

約数和(自身を含む): 87091200

約数和(自身を除く): 55705290

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 34, 38, 41, 51, 57, 79, 82, 85, 95, 102, 114, 123, 158, 170, 190, 205, 237, 246, 255, 285, 323, 395, 410, 474, 510, 570, 615, 646, 697, 779, 790, 969, 1185, 1230, 1343, 1394, 1501, 1558, 1615, 1938, 2091, 2337, 2370, 2686, 3002, 3230, 3239, 3485, 3895, 4029, 4182, 4503, 4674, 4845, 6478, 6715, 6970, 7505, 7790, 8058, 9006, 9690, 9717, 10455, 11685, 13243, 13430, 15010, 16195, 19434, 20145, 20910, 22515, 23370, 25517, 26486, 32390, 39729, 40290, 45030, 48585, 51034, 55063, 61541, 66215, 76551, 79458, 97170, 110126, 123082, 127585, 132430, 153102, 165189, 184623, 198645, 255170, 275315, 307705, 330378, 369246, 382755, 397290, 550630, 615410, 765510, 825945, 923115, 1046197, 1651890, 1846230, 2092394, 3138591, 5230985, 6277182, 10461970, 15692955, 31385910]

約数ペア:

[(1, 31385910), (2, 15692955), (3, 10461970), (5, 6277182), (6, 5230985), (10, 3138591), (15, 2092394), (17, 1846230), (19, 1651890), (30, 1046197), (34, 923115), (38, 825945), (41, 765510), (51, 615410), (57, 550630), (79, 397290), (82, 382755), (85, 369246), (95, 330378), (102, 307705), (114, 275315), (123, 255170), (158, 198645), (170, 184623), (190, 165189), (205, 153102), (237, 132430), (246, 127585), (255, 123082), (285, 110126), (323, 97170), (395, 79458), (410, 76551), (474, 66215), (510, 61541), (570, 55063), (615, 51034), (646, 48585), (697, 45030), (779, 40290), (790, 39729), (969, 32390), (1185, 26486), (1230, 25517), (1343, 23370), (1394, 22515), (1501, 20910), (1558, 20145), (1615, 19434), (1938, 16195), (2091, 15010), (2337, 13430), (2370, 13243), (2686, 11685), (3002, 10455), (3230, 9717), (3239, 9690), (3485, 9006), (3895, 8058), (4029, 7790), (4182, 7505), (4503, 6970), (4674, 6715), (4845, 6478)]