68977980

素因数分解:

$2^2\times 3^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:132

約数の個数: 192

約数和(自身を含む): 231436800

約数和(自身を除く): 162458820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 83, 90, 95, 108, 114, 135, 162, 166, 171, 180, 190, 228, 243, 249, 270, 285, 324, 332, 342, 380, 405, 415, 486, 498, 513, 540, 570, 684, 729, 747, 810, 830, 855, 972, 996, 1026, 1140, 1215, 1245, 1458, 1494, 1539, 1577, 1620, 1660, 1710, 2052, 2187, 2241, 2430, 2490, 2565, 2916, 2988, 3078, 3154, 3420, 3645, 3735, 4374, 4482, 4617, 4731, 4860, 4980, 5130, 6156, 6308, 6723, 7290, 7470, 7695, 7885, 8748, 8964, 9234, 9462, 10260, 10935, 11205, 13446, 13851, 14193, 14580, 14940, 15390, 15770, 18468, 18924, 20169, 21870, 22410, 23085, 23655, 26892, 27702, 28386, 30780, 31540, 33615, 40338, 41553, 42579, 43740, 44820, 46170, 47310, 55404, 56772, 60507, 67230, 69255, 70965, 80676, 83106, 85158, 92340, 94620, 100845, 121014, 127737, 134460, 138510, 141930, 166212, 170316, 181521, 201690, 207765, 212895, 242028, 255474, 277020, 283860, 302535, 363042, 383211, 403380, 415530, 425790, 510948, 605070, 638685, 726084, 766422, 831060, 851580, 907605, 1149633, 1210140, 1277370, 1532844, 1815210, 1916055, 2299266, 2554740, 3448899, 3630420, 3832110, 4598532, 5748165, 6897798, 7664220, 11496330, 13795596, 17244495, 22992660, 34488990, 68977980]

約数ペア:

[(1, 68977980), (2, 34488990), (3, 22992660), (4, 17244495), (5, 13795596), (6, 11496330), (9, 7664220), (10, 6897798), (12, 5748165), (15, 4598532), (18, 3832110), (19, 3630420), (20, 3448899), (27, 2554740), (30, 2299266), (36, 1916055), (38, 1815210), (45, 1532844), (54, 1277370), (57, 1210140), (60, 1149633), (76, 907605), (81, 851580), (83, 831060), (90, 766422), (95, 726084), (108, 638685), (114, 605070), (135, 510948), (162, 425790), (166, 415530), (171, 403380), (180, 383211), (190, 363042), (228, 302535), (243, 283860), (249, 277020), (270, 255474), (285, 242028), (324, 212895), (332, 207765), (342, 201690), (380, 181521), (405, 170316), (415, 166212), (486, 141930), (498, 138510), (513, 134460), (540, 127737), (570, 121014), (684, 100845), (729, 94620), (747, 92340), (810, 85158), (830, 83106), (855, 80676), (972, 70965), (996, 69255), (1026, 67230), (1140, 60507), (1215, 56772), (1245, 55404), (1458, 47310), (1494, 46170), (1539, 44820), (1577, 43740), (1620, 42579), (1660, 41553), (1710, 40338), (2052, 33615), (2187, 31540), (2241, 30780), (2430, 28386), (2490, 27702), (2565, 26892), (2916, 23655), (2988, 23085), (3078, 22410), (3154, 21870), (3420, 20169), (3645, 18924), (3735, 18468), (4374, 15770), (4482, 15390), (4617, 14940), (4731, 14580), (4860, 14193), (4980, 13851), (5130, 13446), (6156, 11205), (6308, 10935), (6723, 10260), (7290, 9462), (7470, 9234), (7695, 8964), (7885, 8748)]