19957706880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10394639}}^1$

素因数の和:10394661

約数の個数: 64

約数和(自身を含む): 63615196800

約数和(自身を除く): 43657489920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10394639, 20789278, 31183917, 41578556, 51973195, 62367834, 83157112, 103946390, 124735668, 155919585, 166314224, 207892780, 249471336, 311839170, 332628448, 415785560, 498942672, 623678340, 665256896, 831571120, 997885344, 1247356680, 1330513792, 1663142240, 1995770688, 2494713360, 3326284480, 3991541376, 4989426720, 6652568960, 9978853440, 19957706880]

約数ペア:

[(1, 19957706880), (2, 9978853440), (3, 6652568960), (4, 4989426720), (5, 3991541376), (6, 3326284480), (8, 2494713360), (10, 1995770688), (12, 1663142240), (15, 1330513792), (16, 1247356680), (20, 997885344), (24, 831571120), (30, 665256896), (32, 623678340), (40, 498942672), (48, 415785560), (60, 332628448), (64, 311839170), (80, 249471336), (96, 207892780), (120, 166314224), (128, 155919585), (160, 124735668), (192, 103946390), (240, 83157112), (320, 62367834), (384, 51973195), (480, 41578556), (640, 31183917), (960, 20789278), (1920, 10394639)]