251543280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{55163}}^1$

素因数の和:55198

約数の個数: 80

約数和(自身を含む): 820840320

約数和(自身を除く): 569297040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 55163, 110326, 165489, 220652, 275815, 330978, 441304, 551630, 661956, 827445, 882608, 1048097, 1103260, 1323912, 1654890, 2096194, 2206520, 2647824, 3144291, 3309780, 4192388, 4413040, 5240485, 6288582, 6619560, 8384776, 10480970, 12577164, 13239120, 15721455, 16769552, 20961940, 25154328, 31442910, 41923880, 50308656, 62885820, 83847760, 125771640, 251543280]

約数ペア:

[(1, 251543280), (2, 125771640), (3, 83847760), (4, 62885820), (5, 50308656), (6, 41923880), (8, 31442910), (10, 25154328), (12, 20961940), (15, 16769552), (16, 15721455), (19, 13239120), (20, 12577164), (24, 10480970), (30, 8384776), (38, 6619560), (40, 6288582), (48, 5240485), (57, 4413040), (60, 4192388), (76, 3309780), (80, 3144291), (95, 2647824), (114, 2206520), (120, 2096194), (152, 1654890), (190, 1323912), (228, 1103260), (240, 1048097), (285, 882608), (304, 827445), (380, 661956), (456, 551630), (570, 441304), (760, 330978), (912, 275815), (1140, 220652), (1520, 165489), (2280, 110326), (4560, 55163)]