406789020

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{68483}}^1$

素因数の和:68512

約数の個数: 96

約数和(自身を含む): 1380637440

約数和(自身を除く): 973848420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 27, 30, 33, 36, 44, 45, 54, 55, 60, 66, 90, 99, 108, 110, 132, 135, 165, 180, 198, 220, 270, 297, 330, 396, 495, 540, 594, 660, 990, 1188, 1485, 1980, 2970, 5940, 68483, 136966, 205449, 273932, 342415, 410898, 616347, 684830, 753313, 821796, 1027245, 1232694, 1369660, 1506626, 1849041, 2054490, 2259939, 2465388, 3013252, 3081735, 3698082, 3766565, 4108980, 4519878, 6163470, 6779817, 7396164, 7533130, 9039756, 9245205, 11299695, 12326940, 13559634, 15066260, 18490410, 20339451, 22599390, 27119268, 33899085, 36980820, 40678902, 45198780, 67798170, 81357804, 101697255, 135596340, 203394510, 406789020]

約数ペア:

[(1, 406789020), (2, 203394510), (3, 135596340), (4, 101697255), (5, 81357804), (6, 67798170), (9, 45198780), (10, 40678902), (11, 36980820), (12, 33899085), (15, 27119268), (18, 22599390), (20, 20339451), (22, 18490410), (27, 15066260), (30, 13559634), (33, 12326940), (36, 11299695), (44, 9245205), (45, 9039756), (54, 7533130), (55, 7396164), (60, 6779817), (66, 6163470), (90, 4519878), (99, 4108980), (108, 3766565), (110, 3698082), (132, 3081735), (135, 3013252), (165, 2465388), (180, 2259939), (198, 2054490), (220, 1849041), (270, 1506626), (297, 1369660), (330, 1232694), (396, 1027245), (495, 821796), (540, 753313), (594, 684830), (660, 616347), (990, 410898), (1188, 342415), (1485, 273932), (1980, 205449), (2970, 136966), (5940, 68483)]