15966840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:229

約数の個数: 128

約数和(自身を含む): 51840000

約数和(自身を除く): 35873160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 47, 57, 60, 76, 94, 95, 114, 120, 141, 149, 152, 188, 190, 228, 235, 282, 285, 298, 376, 380, 447, 456, 470, 564, 570, 596, 705, 745, 760, 893, 894, 940, 1128, 1140, 1192, 1410, 1490, 1786, 1788, 1880, 2235, 2280, 2679, 2820, 2831, 2980, 3572, 3576, 4465, 4470, 5358, 5640, 5662, 5960, 7003, 7144, 8493, 8930, 8940, 10716, 11324, 13395, 14006, 14155, 16986, 17860, 17880, 21009, 21432, 22648, 26790, 28012, 28310, 33972, 35015, 35720, 42018, 42465, 53580, 56024, 56620, 67944, 70030, 84036, 84930, 105045, 107160, 113240, 133057, 140060, 168072, 169860, 210090, 266114, 280120, 339720, 399171, 420180, 532228, 665285, 798342, 840360, 1064456, 1330570, 1596684, 1995855, 2661140, 3193368, 3991710, 5322280, 7983420, 15966840]

約数ペア:

[(1, 15966840), (2, 7983420), (3, 5322280), (4, 3991710), (5, 3193368), (6, 2661140), (8, 1995855), (10, 1596684), (12, 1330570), (15, 1064456), (19, 840360), (20, 798342), (24, 665285), (30, 532228), (38, 420180), (40, 399171), (47, 339720), (57, 280120), (60, 266114), (76, 210090), (94, 169860), (95, 168072), (114, 140060), (120, 133057), (141, 113240), (149, 107160), (152, 105045), (188, 84930), (190, 84036), (228, 70030), (235, 67944), (282, 56620), (285, 56024), (298, 53580), (376, 42465), (380, 42018), (447, 35720), (456, 35015), (470, 33972), (564, 28310), (570, 28012), (596, 26790), (705, 22648), (745, 21432), (760, 21009), (893, 17880), (894, 17860), (940, 16986), (1128, 14155), (1140, 14006), (1192, 13395), (1410, 11324), (1490, 10716), (1786, 8940), (1788, 8930), (1880, 8493), (2235, 7144), (2280, 7003), (2679, 5960), (2820, 5662), (2831, 5640), (2980, 5358), (3572, 4470), (3576, 4465)]