771123760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1307

約数の個数: 160

約数和(自身を含む): 2108436480

約数和(自身を除く): 1337312720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 31, 40, 44, 46, 55, 62, 80, 88, 92, 110, 115, 124, 155, 176, 184, 220, 230, 248, 253, 310, 341, 368, 440, 460, 496, 506, 620, 682, 713, 880, 920, 1012, 1229, 1240, 1265, 1364, 1426, 1705, 1840, 2024, 2458, 2480, 2530, 2728, 2852, 3410, 3565, 4048, 4916, 5060, 5456, 5704, 6145, 6820, 7130, 7843, 9832, 10120, 11408, 12290, 13519, 13640, 14260, 15686, 19664, 20240, 24580, 27038, 27280, 28267, 28520, 31372, 38099, 39215, 49160, 54076, 56534, 57040, 62744, 67595, 76198, 78430, 98320, 108152, 113068, 125488, 135190, 141335, 152396, 156860, 190495, 216304, 226136, 270380, 282670, 304792, 310937, 313720, 380990, 419089, 452272, 540760, 565340, 609584, 621874, 627440, 761980, 838178, 876277, 1081520, 1130680, 1243748, 1523960, 1554685, 1676356, 1752554, 2095445, 2261360, 2487496, 3047920, 3109370, 3352712, 3505108, 4190890, 4381385, 4974992, 6218740, 6705424, 7010216, 8381780, 8762770, 9639047, 12437480, 14020432, 16763560, 17525540, 19278094, 24874960, 33527120, 35051080, 38556188, 48195235, 70102160, 77112376, 96390470, 154224752, 192780940, 385561880, 771123760]

約数ペア:

[(1, 771123760), (2, 385561880), (4, 192780940), (5, 154224752), (8, 96390470), (10, 77112376), (11, 70102160), (16, 48195235), (20, 38556188), (22, 35051080), (23, 33527120), (31, 24874960), (40, 19278094), (44, 17525540), (46, 16763560), (55, 14020432), (62, 12437480), (80, 9639047), (88, 8762770), (92, 8381780), (110, 7010216), (115, 6705424), (124, 6218740), (155, 4974992), (176, 4381385), (184, 4190890), (220, 3505108), (230, 3352712), (248, 3109370), (253, 3047920), (310, 2487496), (341, 2261360), (368, 2095445), (440, 1752554), (460, 1676356), (496, 1554685), (506, 1523960), (620, 1243748), (682, 1130680), (713, 1081520), (880, 876277), (920, 838178), (1012, 761980), (1229, 627440), (1240, 621874), (1265, 609584), (1364, 565340), (1426, 540760), (1705, 452272), (1840, 419089), (2024, 380990), (2458, 313720), (2480, 310937), (2530, 304792), (2728, 282670), (2852, 270380), (3410, 226136), (3565, 216304), (4048, 190495), (4916, 156860), (5060, 152396), (5456, 141335), (5704, 135190), (6145, 125488), (6820, 113068), (7130, 108152), (7843, 98320), (9832, 78430), (10120, 76198), (11408, 67595), (12290, 62744), (13519, 57040), (13640, 56534), (14260, 54076), (15686, 49160), (19664, 39215), (20240, 38099), (24580, 31372), (27038, 28520), (27280, 28267)]