660655260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{601}}^1$

素因数の和:844

約数の個数: 144

約数和(自身を含む): 2082592512

約数和(自身を除く): 1421937252

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 197, 279, 310, 372, 394, 465, 558, 591, 601, 620, 788, 930, 985, 1116, 1182, 1202, 1395, 1773, 1803, 1860, 1970, 2364, 2404, 2790, 2955, 3005, 3546, 3606, 3940, 5409, 5580, 5910, 6010, 6107, 7092, 7212, 8865, 9015, 10818, 11820, 12020, 12214, 17730, 18030, 18321, 18631, 21636, 24428, 27045, 30535, 35460, 36060, 36642, 37262, 54090, 54963, 55893, 61070, 73284, 74524, 91605, 93155, 108180, 109926, 111786, 118397, 122140, 167679, 183210, 186310, 219852, 223572, 236794, 274815, 279465, 335358, 355191, 366420, 372620, 473588, 549630, 558930, 591985, 670716, 710382, 838395, 1065573, 1099260, 1117860, 1183970, 1420764, 1676790, 1775955, 2131146, 2367940, 3353580, 3551910, 3670307, 4262292, 5327865, 7103820, 7340614, 10655730, 11010921, 14681228, 18351535, 21311460, 22021842, 33032763, 36703070, 44043684, 55054605, 66065526, 73406140, 110109210, 132131052, 165163815, 220218420, 330327630, 660655260]

約数ペア:

[(1, 660655260), (2, 330327630), (3, 220218420), (4, 165163815), (5, 132131052), (6, 110109210), (9, 73406140), (10, 66065526), (12, 55054605), (15, 44043684), (18, 36703070), (20, 33032763), (30, 22021842), (31, 21311460), (36, 18351535), (45, 14681228), (60, 11010921), (62, 10655730), (90, 7340614), (93, 7103820), (124, 5327865), (155, 4262292), (180, 3670307), (186, 3551910), (197, 3353580), (279, 2367940), (310, 2131146), (372, 1775955), (394, 1676790), (465, 1420764), (558, 1183970), (591, 1117860), (601, 1099260), (620, 1065573), (788, 838395), (930, 710382), (985, 670716), (1116, 591985), (1182, 558930), (1202, 549630), (1395, 473588), (1773, 372620), (1803, 366420), (1860, 355191), (1970, 335358), (2364, 279465), (2404, 274815), (2790, 236794), (2955, 223572), (3005, 219852), (3546, 186310), (3606, 183210), (3940, 167679), (5409, 122140), (5580, 118397), (5910, 111786), (6010, 109926), (6107, 108180), (7092, 93155), (7212, 91605), (8865, 74524), (9015, 73284), (10818, 61070), (11820, 55893), (12020, 54963), (12214, 54090), (17730, 37262), (18030, 36642), (18321, 36060), (18631, 35460), (21636, 30535), (24428, 27045)]