128590020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{307}}^1$

素因数の和:514

約数の個数: 144

約数和(自身を含む): 423783360

約数和(自身を除く): 295193340

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, 117, 130, 156, 179, 180, 195, 234, 260, 307, 358, 390, 468, 537, 585, 614, 716, 780, 895, 921, 1074, 1170, 1228, 1535, 1611, 1790, 1842, 2148, 2327, 2340, 2685, 2763, 3070, 3222, 3580, 3684, 3991, 4605, 4654, 5370, 5526, 6140, 6444, 6981, 7982, 8055, 9210, 9308, 10740, 11052, 11635, 11973, 13815, 13962, 15964, 16110, 18420, 19955, 20943, 23270, 23946, 27630, 27924, 32220, 34905, 35919, 39910, 41886, 46540, 47892, 54953, 55260, 59865, 69810, 71838, 79820, 83772, 104715, 109906, 119730, 139620, 143676, 164859, 179595, 209430, 219812, 239460, 274765, 329718, 359190, 418860, 494577, 549530, 659436, 714389, 718380, 824295, 989154, 1099060, 1428778, 1648590, 1978308, 2143167, 2472885, 2857556, 3297180, 3571945, 4286334, 4945770, 6429501, 7143890, 8572668, 9891540, 10715835, 12859002, 14287780, 21431670, 25718004, 32147505, 42863340, 64295010, 128590020]

約数ペア:

[(1, 128590020), (2, 64295010), (3, 42863340), (4, 32147505), (5, 25718004), (6, 21431670), (9, 14287780), (10, 12859002), (12, 10715835), (13, 9891540), (15, 8572668), (18, 7143890), (20, 6429501), (26, 4945770), (30, 4286334), (36, 3571945), (39, 3297180), (45, 2857556), (52, 2472885), (60, 2143167), (65, 1978308), (78, 1648590), (90, 1428778), (117, 1099060), (130, 989154), (156, 824295), (179, 718380), (180, 714389), (195, 659436), (234, 549530), (260, 494577), (307, 418860), (358, 359190), (390, 329718), (468, 274765), (537, 239460), (585, 219812), (614, 209430), (716, 179595), (780, 164859), (895, 143676), (921, 139620), (1074, 119730), (1170, 109906), (1228, 104715), (1535, 83772), (1611, 79820), (1790, 71838), (1842, 69810), (2148, 59865), (2327, 55260), (2340, 54953), (2685, 47892), (2763, 46540), (3070, 41886), (3222, 39910), (3580, 35919), (3684, 34905), (3991, 32220), (4605, 27924), (4654, 27630), (5370, 23946), (5526, 23270), (6140, 20943), (6444, 19955), (6981, 18420), (7982, 16110), (8055, 15964), (9210, 13962), (9308, 13815), (10740, 11973), (11052, 11635)]