55141920

素因数分解:

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

素因数の和:427

約数の個数: 144

約数和(自身を含む): 190171800

約数和(自身を除く): 135029880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 149, 160, 180, 240, 257, 288, 298, 360, 447, 480, 514, 596, 720, 745, 771, 894, 1028, 1192, 1285, 1341, 1440, 1490, 1542, 1788, 2056, 2235, 2313, 2384, 2570, 2682, 2980, 3084, 3576, 3855, 4112, 4470, 4626, 4768, 5140, 5364, 5960, 6168, 6705, 7152, 7710, 8224, 8940, 9252, 10280, 10728, 11565, 11920, 12336, 13410, 14304, 15420, 17880, 18504, 20560, 21456, 23130, 23840, 24672, 26820, 30840, 35760, 37008, 38293, 41120, 42912, 46260, 53640, 61680, 71520, 74016, 76586, 92520, 107280, 114879, 123360, 153172, 185040, 191465, 214560, 229758, 306344, 344637, 370080, 382930, 459516, 574395, 612688, 689274, 765860, 919032, 1148790, 1225376, 1378548, 1531720, 1723185, 1838064, 2297580, 2757096, 3063440, 3446370, 3676128, 4595160, 5514192, 6126880, 6892740, 9190320, 11028384, 13785480, 18380640, 27570960, 55141920]

約数ペア:

[(1, 55141920), (2, 27570960), (3, 18380640), (4, 13785480), (5, 11028384), (6, 9190320), (8, 6892740), (9, 6126880), (10, 5514192), (12, 4595160), (15, 3676128), (16, 3446370), (18, 3063440), (20, 2757096), (24, 2297580), (30, 1838064), (32, 1723185), (36, 1531720), (40, 1378548), (45, 1225376), (48, 1148790), (60, 919032), (72, 765860), (80, 689274), (90, 612688), (96, 574395), (120, 459516), (144, 382930), (149, 370080), (160, 344637), (180, 306344), (240, 229758), (257, 214560), (288, 191465), (298, 185040), (360, 153172), (447, 123360), (480, 114879), (514, 107280), (596, 92520), (720, 76586), (745, 74016), (771, 71520), (894, 61680), (1028, 53640), (1192, 46260), (1285, 42912), (1341, 41120), (1440, 38293), (1490, 37008), (1542, 35760), (1788, 30840), (2056, 26820), (2235, 24672), (2313, 23840), (2384, 23130), (2570, 21456), (2682, 20560), (2980, 18504), (3084, 17880), (3576, 15420), (3855, 14304), (4112, 13410), (4470, 12336), (4626, 11920), (4768, 11565), (5140, 10728), (5364, 10280), (5960, 9252), (6168, 8940), (6705, 8224), (7152, 7710)]