261924120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1$

素因数の和:442

約数の個数: 192

約数和(自身を含む): 905580000

約数和(自身を除く): 643655880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 149, 152, 171, 180, 190, 228, 257, 285, 298, 342, 360, 380, 447, 456, 514, 570, 596, 684, 745, 760, 771, 855, 894, 1028, 1140, 1192, 1285, 1341, 1368, 1490, 1542, 1710, 1788, 2056, 2235, 2280, 2313, 2570, 2682, 2831, 2980, 3084, 3420, 3576, 3855, 4470, 4626, 4883, 5140, 5364, 5662, 5960, 6168, 6705, 6840, 7710, 8493, 8940, 9252, 9766, 10280, 10728, 11324, 11565, 13410, 14155, 14649, 15420, 16986, 17880, 18504, 19532, 22648, 23130, 24415, 25479, 26820, 28310, 29298, 30840, 33972, 38293, 39064, 42465, 43947, 46260, 48830, 50958, 53640, 56620, 58596, 67944, 73245, 76586, 84930, 87894, 92520, 97660, 101916, 113240, 114879, 117192, 127395, 146490, 153172, 169860, 175788, 191465, 195320, 203832, 219735, 229758, 254790, 292980, 306344, 339720, 344637, 351576, 382930, 439470, 459516, 509580, 574395, 585960, 689274, 727567, 765860, 878940, 919032, 1019160, 1148790, 1378548, 1455134, 1531720, 1723185, 1757880, 2182701, 2297580, 2757096, 2910268, 3446370, 3637835, 4365402, 4595160, 5820536, 6548103, 6892740, 7275670, 8730804, 10913505, 13096206, 13785480, 14551340, 17461608, 21827010, 26192412, 29102680, 32740515, 43654020, 52384824, 65481030, 87308040, 130962060, 261924120]

約数ペア:

[(1, 261924120), (2, 130962060), (3, 87308040), (4, 65481030), (5, 52384824), (6, 43654020), (8, 32740515), (9, 29102680), (10, 26192412), (12, 21827010), (15, 17461608), (18, 14551340), (19, 13785480), (20, 13096206), (24, 10913505), (30, 8730804), (36, 7275670), (38, 6892740), (40, 6548103), (45, 5820536), (57, 4595160), (60, 4365402), (72, 3637835), (76, 3446370), (90, 2910268), (95, 2757096), (114, 2297580), (120, 2182701), (149, 1757880), (152, 1723185), (171, 1531720), (180, 1455134), (190, 1378548), (228, 1148790), (257, 1019160), (285, 919032), (298, 878940), (342, 765860), (360, 727567), (380, 689274), (447, 585960), (456, 574395), (514, 509580), (570, 459516), (596, 439470), (684, 382930), (745, 351576), (760, 344637), (771, 339720), (855, 306344), (894, 292980), (1028, 254790), (1140, 229758), (1192, 219735), (1285, 203832), (1341, 195320), (1368, 191465), (1490, 175788), (1542, 169860), (1710, 153172), (1788, 146490), (2056, 127395), (2235, 117192), (2280, 114879), (2313, 113240), (2570, 101916), (2682, 97660), (2831, 92520), (2980, 87894), (3084, 84930), (3420, 76586), (3576, 73245), (3855, 67944), (4470, 58596), (4626, 56620), (4883, 53640), (5140, 50958), (5364, 48830), (5662, 46260), (5960, 43947), (6168, 42465), (6705, 39064), (6840, 38293), (7710, 33972), (8493, 30840), (8940, 29298), (9252, 28310), (9766, 26820), (10280, 25479), (10728, 24415), (11324, 23130), (11565, 22648), (13410, 19532), (14155, 18504), (14649, 17880), (15420, 16986)]