1321394220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{7639}}^1$

素因数の和:7716

約数の個数: 108

約数和(自身を含む): 4142239920

約数和(自身を除く): 2820845700

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, 279, 310, 372, 465, 558, 620, 930, 961, 1116, 1395, 1860, 1922, 2790, 2883, 3844, 4805, 5580, 5766, 7639, 8649, 9610, 11532, 14415, 15278, 17298, 19220, 22917, 28830, 30556, 34596, 38195, 43245, 45834, 57660, 68751, 76390, 86490, 91668, 114585, 137502, 152780, 172980, 229170, 236809, 275004, 343755, 458340, 473618, 687510, 710427, 947236, 1184045, 1375020, 1420854, 2131281, 2368090, 2841708, 3552135, 4262562, 4736180, 7104270, 7341079, 8525124, 10656405, 14208540, 14682158, 21312810, 22023237, 29364316, 36705395, 42625620, 44046474, 66069711, 73410790, 88092948, 110116185, 132139422, 146821580, 220232370, 264278844, 330348555, 440464740, 660697110, 1321394220]

約数ペア:

[(1, 1321394220), (2, 660697110), (3, 440464740), (4, 330348555), (5, 264278844), (6, 220232370), (9, 146821580), (10, 132139422), (12, 110116185), (15, 88092948), (18, 73410790), (20, 66069711), (30, 44046474), (31, 42625620), (36, 36705395), (45, 29364316), (60, 22023237), (62, 21312810), (90, 14682158), (93, 14208540), (124, 10656405), (155, 8525124), (180, 7341079), (186, 7104270), (279, 4736180), (310, 4262562), (372, 3552135), (465, 2841708), (558, 2368090), (620, 2131281), (930, 1420854), (961, 1375020), (1116, 1184045), (1395, 947236), (1860, 710427), (1922, 687510), (2790, 473618), (2883, 458340), (3844, 343755), (4805, 275004), (5580, 236809), (5766, 229170), (7639, 172980), (8649, 152780), (9610, 137502), (11532, 114585), (14415, 91668), (15278, 86490), (17298, 76390), (19220, 68751), (22917, 57660), (28830, 45834), (30556, 43245), (34596, 38195)]