258640160

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{571}}^1$

素因数の和:754

約数の個数: 96

約数和(自身を含む): 648648000

約数和(自身を除く): 390007840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 149, 152, 160, 190, 298, 304, 380, 571, 596, 608, 745, 760, 1142, 1192, 1490, 1520, 2284, 2384, 2831, 2855, 2980, 3040, 4568, 4768, 5662, 5710, 5960, 9136, 10849, 11324, 11420, 11920, 14155, 18272, 21698, 22648, 22840, 23840, 28310, 43396, 45296, 45680, 54245, 56620, 85079, 86792, 90592, 91360, 108490, 113240, 170158, 173584, 216980, 226480, 340316, 347168, 425395, 433960, 452960, 680632, 850790, 867920, 1361264, 1616501, 1701580, 1735840, 2722528, 3233002, 3403160, 6466004, 6806320, 8082505, 12932008, 13612640, 16165010, 25864016, 32330020, 51728032, 64660040, 129320080, 258640160]

約数ペア:

[(1, 258640160), (2, 129320080), (4, 64660040), (5, 51728032), (8, 32330020), (10, 25864016), (16, 16165010), (19, 13612640), (20, 12932008), (32, 8082505), (38, 6806320), (40, 6466004), (76, 3403160), (80, 3233002), (95, 2722528), (149, 1735840), (152, 1701580), (160, 1616501), (190, 1361264), (298, 867920), (304, 850790), (380, 680632), (571, 452960), (596, 433960), (608, 425395), (745, 347168), (760, 340316), (1142, 226480), (1192, 216980), (1490, 173584), (1520, 170158), (2284, 113240), (2384, 108490), (2831, 91360), (2855, 90592), (2980, 86792), (3040, 85079), (4568, 56620), (4768, 54245), (5662, 45680), (5710, 45296), (5960, 43396), (9136, 28310), (10849, 23840), (11324, 22840), (11420, 22648), (11920, 21698), (14155, 18272)]