145828280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:273

約数の個数: 128

約数和(自身を含む): 375580800

約数和(自身を除く): 229752520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 89, 92, 104, 115, 130, 137, 178, 184, 230, 260, 274, 299, 356, 445, 460, 520, 548, 598, 685, 712, 890, 920, 1096, 1157, 1196, 1370, 1495, 1780, 1781, 2047, 2314, 2392, 2740, 2990, 3151, 3560, 3562, 4094, 4628, 5480, 5785, 5980, 6302, 7124, 8188, 8905, 9256, 10235, 11570, 11960, 12193, 12604, 14248, 15755, 16376, 17810, 20470, 23140, 24386, 25208, 26611, 31510, 35620, 40940, 40963, 46280, 48772, 53222, 60965, 63020, 71240, 81880, 81926, 97544, 106444, 121930, 126040, 133055, 158509, 163852, 204815, 212888, 243860, 266110, 280439, 317018, 327704, 409630, 487720, 532220, 560878, 634036, 792545, 819260, 1064440, 1121756, 1268072, 1402195, 1585090, 1638520, 2243512, 2804390, 3170180, 3645707, 5608780, 6340360, 7291414, 11217560, 14582828, 18228535, 29165656, 36457070, 72914140, 145828280]

約数ペア:

[(1, 145828280), (2, 72914140), (4, 36457070), (5, 29165656), (8, 18228535), (10, 14582828), (13, 11217560), (20, 7291414), (23, 6340360), (26, 5608780), (40, 3645707), (46, 3170180), (52, 2804390), (65, 2243512), (89, 1638520), (92, 1585090), (104, 1402195), (115, 1268072), (130, 1121756), (137, 1064440), (178, 819260), (184, 792545), (230, 634036), (260, 560878), (274, 532220), (299, 487720), (356, 409630), (445, 327704), (460, 317018), (520, 280439), (548, 266110), (598, 243860), (685, 212888), (712, 204815), (890, 163852), (920, 158509), (1096, 133055), (1157, 126040), (1196, 121930), (1370, 106444), (1495, 97544), (1780, 81926), (1781, 81880), (2047, 71240), (2314, 63020), (2392, 60965), (2740, 53222), (2990, 48772), (3151, 46280), (3560, 40963), (3562, 40940), (4094, 35620), (4628, 31510), (5480, 26611), (5785, 25208), (5980, 24386), (6302, 23140), (7124, 20470), (8188, 17810), (8905, 16376), (9256, 15755), (10235, 14248), (11570, 12604), (11960, 12193)]