78303420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{307}}^1$

素因数の和:444

約数の個数: 144

約数和(自身を含む): 258978720

約数和(自身を除く): 180675300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 109, 117, 130, 156, 180, 195, 218, 234, 260, 307, 327, 390, 436, 468, 545, 585, 614, 654, 780, 921, 981, 1090, 1170, 1228, 1308, 1417, 1535, 1635, 1842, 1962, 2180, 2340, 2763, 2834, 3070, 3270, 3684, 3924, 3991, 4251, 4605, 4905, 5526, 5668, 6140, 6540, 7085, 7982, 8502, 9210, 9810, 11052, 11973, 12753, 13815, 14170, 15964, 17004, 18420, 19620, 19955, 21255, 23946, 25506, 27630, 28340, 33463, 35919, 39910, 42510, 47892, 51012, 55260, 59865, 63765, 66926, 71838, 79820, 85020, 100389, 119730, 127530, 133852, 143676, 167315, 179595, 200778, 239460, 255060, 301167, 334630, 359190, 401556, 435019, 501945, 602334, 669260, 718380, 870038, 1003890, 1204668, 1305057, 1505835, 1740076, 2007780, 2175095, 2610114, 3011670, 3915171, 4350190, 5220228, 6023340, 6525285, 7830342, 8700380, 13050570, 15660684, 19575855, 26101140, 39151710, 78303420]

約数ペア:

[(1, 78303420), (2, 39151710), (3, 26101140), (4, 19575855), (5, 15660684), (6, 13050570), (9, 8700380), (10, 7830342), (12, 6525285), (13, 6023340), (15, 5220228), (18, 4350190), (20, 3915171), (26, 3011670), (30, 2610114), (36, 2175095), (39, 2007780), (45, 1740076), (52, 1505835), (60, 1305057), (65, 1204668), (78, 1003890), (90, 870038), (109, 718380), (117, 669260), (130, 602334), (156, 501945), (180, 435019), (195, 401556), (218, 359190), (234, 334630), (260, 301167), (307, 255060), (327, 239460), (390, 200778), (436, 179595), (468, 167315), (545, 143676), (585, 133852), (614, 127530), (654, 119730), (780, 100389), (921, 85020), (981, 79820), (1090, 71838), (1170, 66926), (1228, 63765), (1308, 59865), (1417, 55260), (1535, 51012), (1635, 47892), (1842, 42510), (1962, 39910), (2180, 35919), (2340, 33463), (2763, 28340), (2834, 27630), (3070, 25506), (3270, 23946), (3684, 21255), (3924, 19955), (3991, 19620), (4251, 18420), (4605, 17004), (4905, 15964), (5526, 14170), (5668, 13815), (6140, 12753), (6540, 11973), (7085, 11052), (7982, 9810), (8502, 9210)]