320180940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:412

約数の個数: 144

約数和(自身を含む): 998000640

約数和(自身を除く): 677819700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 67, 90, 134, 139, 180, 191, 201, 268, 278, 335, 382, 402, 417, 556, 573, 603, 670, 695, 764, 804, 834, 955, 1005, 1146, 1206, 1251, 1340, 1390, 1668, 1719, 1910, 2010, 2085, 2292, 2412, 2502, 2780, 2865, 3015, 3438, 3820, 4020, 4170, 5004, 5730, 6030, 6255, 6876, 8340, 8595, 9313, 11460, 12060, 12510, 12797, 17190, 18626, 25020, 25594, 26549, 27939, 34380, 37252, 38391, 46565, 51188, 53098, 55878, 63985, 76782, 79647, 83817, 93130, 106196, 111756, 115173, 127970, 132745, 139695, 153564, 159294, 167634, 186260, 191955, 230346, 238941, 255940, 265490, 279390, 318588, 335268, 383910, 398235, 419085, 460692, 477882, 530980, 558780, 575865, 767820, 796470, 838170, 955764, 1151730, 1194705, 1592940, 1676340, 1778783, 2303460, 2389410, 3557566, 4778820, 5336349, 7115132, 8893915, 10672698, 16009047, 17787830, 21345396, 26681745, 32018094, 35575660, 53363490, 64036188, 80045235, 106726980, 160090470, 320180940]

約数ペア:

[(1, 320180940), (2, 160090470), (3, 106726980), (4, 80045235), (5, 64036188), (6, 53363490), (9, 35575660), (10, 32018094), (12, 26681745), (15, 21345396), (18, 17787830), (20, 16009047), (30, 10672698), (36, 8893915), (45, 7115132), (60, 5336349), (67, 4778820), (90, 3557566), (134, 2389410), (139, 2303460), (180, 1778783), (191, 1676340), (201, 1592940), (268, 1194705), (278, 1151730), (335, 955764), (382, 838170), (402, 796470), (417, 767820), (556, 575865), (573, 558780), (603, 530980), (670, 477882), (695, 460692), (764, 419085), (804, 398235), (834, 383910), (955, 335268), (1005, 318588), (1146, 279390), (1206, 265490), (1251, 255940), (1340, 238941), (1390, 230346), (1668, 191955), (1719, 186260), (1910, 167634), (2010, 159294), (2085, 153564), (2292, 139695), (2412, 132745), (2502, 127970), (2780, 115173), (2865, 111756), (3015, 106196), (3438, 93130), (3820, 83817), (4020, 79647), (4170, 76782), (5004, 63985), (5730, 55878), (6030, 53098), (6255, 51188), (6876, 46565), (8340, 38391), (8595, 37252), (9313, 34380), (11460, 27939), (12060, 26549), (12510, 25594), (12797, 25020), (17190, 18626)]