242897220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{4339}}^1$

素因数の和:4665

約数の個数: 72

約数和(自身を含む): 739327680

約数和(自身を除く): 496430460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 311, 622, 933, 1244, 1555, 1866, 2799, 3110, 3732, 4339, 4665, 5598, 6220, 8678, 9330, 11196, 13017, 13995, 17356, 18660, 21695, 26034, 27990, 39051, 43390, 52068, 55980, 65085, 78102, 86780, 130170, 156204, 195255, 260340, 390510, 781020, 1349429, 2698858, 4048287, 5397716, 6747145, 8096574, 12144861, 13494290, 16193148, 20241435, 24289722, 26988580, 40482870, 48579444, 60724305, 80965740, 121448610, 242897220]

約数ペア:

[(1, 242897220), (2, 121448610), (3, 80965740), (4, 60724305), (5, 48579444), (6, 40482870), (9, 26988580), (10, 24289722), (12, 20241435), (15, 16193148), (18, 13494290), (20, 12144861), (30, 8096574), (36, 6747145), (45, 5397716), (60, 4048287), (90, 2698858), (180, 1349429), (311, 781020), (622, 390510), (933, 260340), (1244, 195255), (1555, 156204), (1866, 130170), (2799, 86780), (3110, 78102), (3732, 65085), (4339, 55980), (4665, 52068), (5598, 43390), (6220, 39051), (8678, 27990), (9330, 26034), (11196, 21695), (13017, 18660), (13995, 17356)]