7426980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 144

約数和(自身を含む): 25579008

約数和(自身を除く): 18152028

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 121, 124, 132, 155, 165, 180, 186, 198, 220, 242, 279, 310, 330, 341, 363, 372, 396, 465, 484, 495, 558, 605, 620, 660, 682, 726, 930, 990, 1023, 1089, 1116, 1210, 1331, 1364, 1395, 1452, 1705, 1815, 1860, 1980, 2046, 2178, 2420, 2662, 2790, 3069, 3410, 3630, 3751, 3993, 4092, 4356, 5115, 5324, 5445, 5580, 6138, 6655, 6820, 7260, 7502, 7986, 10230, 10890, 11253, 11979, 12276, 13310, 15004, 15345, 15972, 18755, 19965, 20460, 21780, 22506, 23958, 26620, 30690, 33759, 37510, 39930, 41261, 45012, 47916, 56265, 59895, 61380, 67518, 75020, 79860, 82522, 112530, 119790, 123783, 135036, 165044, 168795, 206305, 225060, 239580, 247566, 337590, 371349, 412610, 495132, 618915, 675180, 742698, 825220, 1237830, 1485396, 1856745, 2475660, 3713490, 7426980]

約数ペア:

[(1, 7426980), (2, 3713490), (3, 2475660), (4, 1856745), (5, 1485396), (6, 1237830), (9, 825220), (10, 742698), (11, 675180), (12, 618915), (15, 495132), (18, 412610), (20, 371349), (22, 337590), (30, 247566), (31, 239580), (33, 225060), (36, 206305), (44, 168795), (45, 165044), (55, 135036), (60, 123783), (62, 119790), (66, 112530), (90, 82522), (93, 79860), (99, 75020), (110, 67518), (121, 61380), (124, 59895), (132, 56265), (155, 47916), (165, 45012), (180, 41261), (186, 39930), (198, 37510), (220, 33759), (242, 30690), (279, 26620), (310, 23958), (330, 22506), (341, 21780), (363, 20460), (372, 19965), (396, 18755), (465, 15972), (484, 15345), (495, 15004), (558, 13310), (605, 12276), (620, 11979), (660, 11253), (682, 10890), (726, 10230), (930, 7986), (990, 7502), (1023, 7260), (1089, 6820), (1116, 6655), (1210, 6138), (1331, 5580), (1364, 5445), (1395, 5324), (1452, 5115), (1705, 4356), (1815, 4092), (1860, 3993), (1980, 3751), (2046, 3630), (2178, 3410), (2420, 3069), (2662, 2790)]