61780680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:380

約数の個数: 192

約数和(自身を含む): 221981760

約数和(自身を除く): 160201080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 43, 45, 52, 60, 65, 72, 78, 86, 90, 104, 117, 120, 129, 130, 156, 172, 180, 195, 215, 234, 258, 260, 307, 312, 344, 360, 387, 390, 430, 468, 516, 520, 559, 585, 614, 645, 774, 780, 860, 921, 936, 1032, 1118, 1170, 1228, 1290, 1535, 1548, 1560, 1677, 1720, 1842, 1935, 2236, 2340, 2456, 2580, 2763, 2795, 3070, 3096, 3354, 3684, 3870, 3991, 4472, 4605, 4680, 5031, 5160, 5526, 5590, 6140, 6708, 7368, 7740, 7982, 8385, 9210, 10062, 11052, 11180, 11973, 12280, 13201, 13416, 13815, 15480, 15964, 16770, 18420, 19955, 20124, 22104, 22360, 23946, 25155, 26402, 27630, 31928, 33540, 35919, 36840, 39603, 39910, 40248, 47892, 50310, 52804, 55260, 59865, 66005, 67080, 71838, 79206, 79820, 95784, 100620, 105608, 110520, 118809, 119730, 132010, 143676, 158412, 159640, 171613, 179595, 198015, 201240, 237618, 239460, 264020, 287352, 316824, 343226, 359190, 396030, 475236, 478920, 514839, 528040, 594045, 686452, 718380, 792060, 858065, 950472, 1029678, 1188090, 1372904, 1436760, 1544517, 1584120, 1716130, 2059356, 2376180, 2574195, 3089034, 3432260, 4118712, 4752360, 5148390, 6178068, 6864520, 7722585, 10296780, 12356136, 15445170, 20593560, 30890340, 61780680]

約数ペア:

[(1, 61780680), (2, 30890340), (3, 20593560), (4, 15445170), (5, 12356136), (6, 10296780), (8, 7722585), (9, 6864520), (10, 6178068), (12, 5148390), (13, 4752360), (15, 4118712), (18, 3432260), (20, 3089034), (24, 2574195), (26, 2376180), (30, 2059356), (36, 1716130), (39, 1584120), (40, 1544517), (43, 1436760), (45, 1372904), (52, 1188090), (60, 1029678), (65, 950472), (72, 858065), (78, 792060), (86, 718380), (90, 686452), (104, 594045), (117, 528040), (120, 514839), (129, 478920), (130, 475236), (156, 396030), (172, 359190), (180, 343226), (195, 316824), (215, 287352), (234, 264020), (258, 239460), (260, 237618), (307, 201240), (312, 198015), (344, 179595), (360, 171613), (387, 159640), (390, 158412), (430, 143676), (468, 132010), (516, 119730), (520, 118809), (559, 110520), (585, 105608), (614, 100620), (645, 95784), (774, 79820), (780, 79206), (860, 71838), (921, 67080), (936, 66005), (1032, 59865), (1118, 55260), (1170, 52804), (1228, 50310), (1290, 47892), (1535, 40248), (1548, 39910), (1560, 39603), (1677, 36840), (1720, 35919), (1842, 33540), (1935, 31928), (2236, 27630), (2340, 26402), (2456, 25155), (2580, 23946), (2763, 22360), (2795, 22104), (3070, 20124), (3096, 19955), (3354, 18420), (3684, 16770), (3870, 15964), (3991, 15480), (4472, 13815), (4605, 13416), (4680, 13201), (5031, 12280), (5160, 11973), (5526, 11180), (5590, 11052), (6140, 10062), (6708, 9210), (7368, 8385), (7740, 7982)]