66401580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:248

約数の個数: 192

約数和(自身を含む): 229340160

約数和(自身を除く): 162938580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 53, 57, 60, 70, 76, 84, 95, 105, 106, 114, 133, 140, 157, 159, 190, 210, 212, 228, 265, 266, 285, 314, 318, 371, 380, 399, 420, 471, 530, 532, 570, 628, 636, 665, 742, 785, 795, 798, 942, 1007, 1060, 1099, 1113, 1140, 1330, 1484, 1570, 1590, 1596, 1855, 1884, 1995, 2014, 2198, 2226, 2355, 2660, 2983, 3021, 3140, 3180, 3297, 3710, 3990, 4028, 4396, 4452, 4710, 5035, 5495, 5565, 5966, 6042, 6594, 7049, 7420, 7980, 8321, 8949, 9420, 10070, 10990, 11130, 11932, 12084, 13188, 14098, 14915, 15105, 16485, 16642, 17898, 20140, 20881, 21147, 21980, 22260, 24963, 28196, 29830, 30210, 32970, 33284, 35245, 35796, 41605, 41762, 42294, 44745, 49926, 58247, 59660, 60420, 62643, 65940, 70490, 83210, 83524, 84588, 89490, 99852, 104405, 105735, 116494, 124815, 125286, 140980, 158099, 166420, 174741, 178980, 208810, 211470, 232988, 249630, 250572, 291235, 313215, 316198, 349482, 417620, 422940, 474297, 499260, 582470, 626430, 632396, 698964, 790495, 873705, 948594, 1106693, 1164940, 1252860, 1580990, 1747410, 1897188, 2213386, 2371485, 3161980, 3320079, 3494820, 4426772, 4742970, 5533465, 6640158, 9485940, 11066930, 13280316, 16600395, 22133860, 33200790, 66401580]

約数ペア:

[(1, 66401580), (2, 33200790), (3, 22133860), (4, 16600395), (5, 13280316), (6, 11066930), (7, 9485940), (10, 6640158), (12, 5533465), (14, 4742970), (15, 4426772), (19, 3494820), (20, 3320079), (21, 3161980), (28, 2371485), (30, 2213386), (35, 1897188), (38, 1747410), (42, 1580990), (53, 1252860), (57, 1164940), (60, 1106693), (70, 948594), (76, 873705), (84, 790495), (95, 698964), (105, 632396), (106, 626430), (114, 582470), (133, 499260), (140, 474297), (157, 422940), (159, 417620), (190, 349482), (210, 316198), (212, 313215), (228, 291235), (265, 250572), (266, 249630), (285, 232988), (314, 211470), (318, 208810), (371, 178980), (380, 174741), (399, 166420), (420, 158099), (471, 140980), (530, 125286), (532, 124815), (570, 116494), (628, 105735), (636, 104405), (665, 99852), (742, 89490), (785, 84588), (795, 83524), (798, 83210), (942, 70490), (1007, 65940), (1060, 62643), (1099, 60420), (1113, 59660), (1140, 58247), (1330, 49926), (1484, 44745), (1570, 42294), (1590, 41762), (1596, 41605), (1855, 35796), (1884, 35245), (1995, 33284), (2014, 32970), (2198, 30210), (2226, 29830), (2355, 28196), (2660, 24963), (2983, 22260), (3021, 21980), (3140, 21147), (3180, 20881), (3297, 20140), (3710, 17898), (3990, 16642), (4028, 16485), (4396, 15105), (4452, 14915), (4710, 14098), (5035, 13188), (5495, 12084), (5565, 11932), (5966, 11130), (6042, 10990), (6594, 10070), (7049, 9420), (7420, 8949), (7980, 8321)]