210421120

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{3613}}^1$

素因数の和:3652

約数の個数: 128

約数和(自身を含む): 619295040

約数和(自身を除く): 408873920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 128, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 640, 728, 832, 896, 910, 1040, 1120, 1456, 1664, 1820, 2080, 2240, 2912, 3613, 3640, 4160, 4480, 5824, 7226, 7280, 8320, 11648, 14452, 14560, 18065, 25291, 28904, 29120, 36130, 46969, 50582, 57808, 58240, 72260, 93938, 101164, 115616, 126455, 144520, 187876, 202328, 231232, 234845, 252910, 289040, 328783, 375752, 404656, 462464, 469690, 505820, 578080, 657566, 751504, 809312, 939380, 1011640, 1156160, 1315132, 1503008, 1618624, 1643915, 1878760, 2023280, 2312320, 2630264, 3006016, 3237248, 3287830, 3757520, 4046560, 5260528, 6012032, 6575660, 7515040, 8093120, 10521056, 13151320, 15030080, 16186240, 21042112, 26302640, 30060160, 42084224, 52605280, 105210560, 210421120]

約数ペア:

[(1, 210421120), (2, 105210560), (4, 52605280), (5, 42084224), (7, 30060160), (8, 26302640), (10, 21042112), (13, 16186240), (14, 15030080), (16, 13151320), (20, 10521056), (26, 8093120), (28, 7515040), (32, 6575660), (35, 6012032), (40, 5260528), (52, 4046560), (56, 3757520), (64, 3287830), (65, 3237248), (70, 3006016), (80, 2630264), (91, 2312320), (104, 2023280), (112, 1878760), (128, 1643915), (130, 1618624), (140, 1503008), (160, 1315132), (182, 1156160), (208, 1011640), (224, 939380), (260, 809312), (280, 751504), (320, 657566), (364, 578080), (416, 505820), (448, 469690), (455, 462464), (520, 404656), (560, 375752), (640, 328783), (728, 289040), (832, 252910), (896, 234845), (910, 231232), (1040, 202328), (1120, 187876), (1456, 144520), (1664, 126455), (1820, 115616), (2080, 101164), (2240, 93938), (2912, 72260), (3613, 58240), (3640, 57808), (4160, 50582), (4480, 46969), (5824, 36130), (7226, 29120), (7280, 28904), (8320, 25291), (11648, 18065), (14452, 14560)]