216818240

素因数分解:

$2^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{331}}^1$

素因数の和:460

約数の個数: 112

約数和(自身を含む): 546445440

約数和(自身を除く): 329627200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 89, 92, 115, 160, 178, 184, 230, 320, 331, 356, 368, 445, 460, 662, 712, 736, 890, 920, 1324, 1424, 1472, 1655, 1780, 1840, 2047, 2648, 2848, 3310, 3560, 3680, 4094, 5296, 5696, 6620, 7120, 7360, 7613, 8188, 10235, 10592, 13240, 14240, 15226, 16376, 20470, 21184, 26480, 28480, 29459, 30452, 32752, 38065, 40940, 52960, 58918, 60904, 65504, 76130, 81880, 105920, 117836, 121808, 131008, 147295, 152260, 163760, 235672, 243616, 294590, 304520, 327520, 471344, 487232, 589180, 609040, 655040, 677557, 942688, 1178360, 1218080, 1355114, 1885376, 2356720, 2436160, 2710228, 3387785, 4713440, 5420456, 6775570, 9426880, 10840912, 13551140, 21681824, 27102280, 43363648, 54204560, 108409120, 216818240]

約数ペア:

[(1, 216818240), (2, 108409120), (4, 54204560), (5, 43363648), (8, 27102280), (10, 21681824), (16, 13551140), (20, 10840912), (23, 9426880), (32, 6775570), (40, 5420456), (46, 4713440), (64, 3387785), (80, 2710228), (89, 2436160), (92, 2356720), (115, 1885376), (160, 1355114), (178, 1218080), (184, 1178360), (230, 942688), (320, 677557), (331, 655040), (356, 609040), (368, 589180), (445, 487232), (460, 471344), (662, 327520), (712, 304520), (736, 294590), (890, 243616), (920, 235672), (1324, 163760), (1424, 152260), (1472, 147295), (1655, 131008), (1780, 121808), (1840, 117836), (2047, 105920), (2648, 81880), (2848, 76130), (3310, 65504), (3560, 60904), (3680, 58918), (4094, 52960), (5296, 40940), (5696, 38065), (6620, 32752), (7120, 30452), (7360, 29459), (7613, 28480), (8188, 26480), (10235, 21184), (10592, 20470), (13240, 16376), (14240, 15226)]