18380640

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:424

約数の個数: 96

約数和(自身を含む): 58514400

約数和(自身を除く): 40133760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 149, 160, 240, 257, 298, 447, 480, 514, 596, 745, 771, 894, 1028, 1192, 1285, 1490, 1542, 1788, 2056, 2235, 2384, 2570, 2980, 3084, 3576, 3855, 4112, 4470, 4768, 5140, 5960, 6168, 7152, 7710, 8224, 8940, 10280, 11920, 12336, 14304, 15420, 17880, 20560, 23840, 24672, 30840, 35760, 38293, 41120, 61680, 71520, 76586, 114879, 123360, 153172, 191465, 229758, 306344, 382930, 459516, 574395, 612688, 765860, 919032, 1148790, 1225376, 1531720, 1838064, 2297580, 3063440, 3676128, 4595160, 6126880, 9190320, 18380640]

約数ペア:

[(1, 18380640), (2, 9190320), (3, 6126880), (4, 4595160), (5, 3676128), (6, 3063440), (8, 2297580), (10, 1838064), (12, 1531720), (15, 1225376), (16, 1148790), (20, 919032), (24, 765860), (30, 612688), (32, 574395), (40, 459516), (48, 382930), (60, 306344), (80, 229758), (96, 191465), (120, 153172), (149, 123360), (160, 114879), (240, 76586), (257, 71520), (298, 61680), (447, 41120), (480, 38293), (514, 35760), (596, 30840), (745, 24672), (771, 23840), (894, 20560), (1028, 17880), (1192, 15420), (1285, 14304), (1490, 12336), (1542, 11920), (1788, 10280), (2056, 8940), (2235, 8224), (2384, 7710), (2570, 7152), (2980, 6168), (3084, 5960), (3576, 5140), (3855, 4768), (4112, 4470)]