1662120

素因数分解:

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

素因数の和:51

約数の個数: 128

約数和(自身を含む): 5904000

約数和(自身を除く): 4241880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 243, 270, 285, 324, 342, 360, 380, 405, 456, 486, 513, 540, 570, 648, 684, 729, 760, 810, 855, 972, 1026, 1080, 1140, 1215, 1368, 1458, 1539, 1620, 1710, 1944, 2052, 2187, 2280, 2430, 2565, 2916, 3078, 3240, 3420, 3645, 4104, 4374, 4617, 4860, 5130, 5832, 6156, 6840, 7290, 7695, 8748, 9234, 9720, 10260, 10935, 12312, 13851, 14580, 15390, 17496, 18468, 20520, 21870, 23085, 27702, 29160, 30780, 36936, 41553, 43740, 46170, 55404, 61560, 69255, 83106, 87480, 92340, 110808, 138510, 166212, 184680, 207765, 277020, 332424, 415530, 554040, 831060, 1662120]

約数ペア:

[(1, 1662120), (2, 831060), (3, 554040), (4, 415530), (5, 332424), (6, 277020), (8, 207765), (9, 184680), (10, 166212), (12, 138510), (15, 110808), (18, 92340), (19, 87480), (20, 83106), (24, 69255), (27, 61560), (30, 55404), (36, 46170), (38, 43740), (40, 41553), (45, 36936), (54, 30780), (57, 29160), (60, 27702), (72, 23085), (76, 21870), (81, 20520), (90, 18468), (95, 17496), (108, 15390), (114, 14580), (120, 13851), (135, 12312), (152, 10935), (162, 10260), (171, 9720), (180, 9234), (190, 8748), (216, 7695), (228, 7290), (243, 6840), (270, 6156), (285, 5832), (324, 5130), (342, 4860), (360, 4617), (380, 4374), (405, 4104), (456, 3645), (486, 3420), (513, 3240), (540, 3078), (570, 2916), (648, 2565), (684, 2430), (729, 2280), (760, 2187), (810, 2052), (855, 1944), (972, 1710), (1026, 1620), (1080, 1539), (1140, 1458), (1215, 1368)]