308768320

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{449}}^1$

素因数の和:780

約数の個数: 112

約数和(自身を含む): 844905600

約数和(自身を除く): 536137280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 307, 320, 448, 449, 560, 614, 898, 1120, 1228, 1535, 1796, 2149, 2240, 2245, 2456, 3070, 3143, 3592, 4298, 4490, 4912, 6140, 6286, 7184, 8596, 8980, 9824, 10745, 12280, 12572, 14368, 15715, 17192, 17960, 19648, 21490, 24560, 25144, 28736, 31430, 34384, 35920, 42980, 49120, 50288, 62860, 68768, 71840, 85960, 98240, 100576, 125720, 137536, 137843, 143680, 171920, 201152, 251440, 275686, 343840, 502880, 551372, 687680, 689215, 964901, 1005760, 1102744, 1378430, 1929802, 2205488, 2756860, 3859604, 4410976, 4824505, 5513720, 7719208, 8821952, 9649010, 11027440, 15438416, 19298020, 22054880, 30876832, 38596040, 44109760, 61753664, 77192080, 154384160, 308768320]

約数ペア:

[(1, 308768320), (2, 154384160), (4, 77192080), (5, 61753664), (7, 44109760), (8, 38596040), (10, 30876832), (14, 22054880), (16, 19298020), (20, 15438416), (28, 11027440), (32, 9649010), (35, 8821952), (40, 7719208), (56, 5513720), (64, 4824505), (70, 4410976), (80, 3859604), (112, 2756860), (140, 2205488), (160, 1929802), (224, 1378430), (280, 1102744), (307, 1005760), (320, 964901), (448, 689215), (449, 687680), (560, 551372), (614, 502880), (898, 343840), (1120, 275686), (1228, 251440), (1535, 201152), (1796, 171920), (2149, 143680), (2240, 137843), (2245, 137536), (2456, 125720), (3070, 100576), (3143, 98240), (3592, 85960), (4298, 71840), (4490, 68768), (4912, 62860), (6140, 50288), (6286, 49120), (7184, 42980), (8596, 35920), (8980, 34384), (9824, 31430), (10745, 28736), (12280, 25144), (12572, 24560), (14368, 21490), (15715, 19648), (17192, 17960)]