38728080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1$

素因数の和:206

約数の個数: 180

約数和(自身を含む): 138188700

約数和(自身を除く): 99460620

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 149, 152, 171, 180, 190, 228, 240, 285, 298, 304, 342, 360, 361, 380, 447, 456, 570, 596, 684, 720, 722, 745, 760, 855, 894, 912, 1083, 1140, 1192, 1341, 1368, 1444, 1490, 1520, 1710, 1788, 1805, 2166, 2235, 2280, 2384, 2682, 2736, 2831, 2888, 2980, 3249, 3420, 3576, 3610, 4332, 4470, 4560, 5364, 5415, 5662, 5776, 5960, 6498, 6705, 6840, 7152, 7220, 8493, 8664, 8940, 10728, 10830, 11324, 11920, 12996, 13410, 13680, 14155, 14440, 16245, 16986, 17328, 17880, 21456, 21660, 22648, 25479, 25992, 26820, 28310, 28880, 32490, 33972, 35760, 42465, 43320, 45296, 50958, 51984, 53640, 53789, 56620, 64980, 67944, 84930, 86640, 101916, 107280, 107578, 113240, 127395, 129960, 135888, 161367, 169860, 203832, 215156, 226480, 254790, 259920, 268945, 322734, 339720, 407664, 430312, 484101, 509580, 537890, 645468, 679440, 806835, 860624, 968202, 1019160, 1075780, 1290936, 1613670, 1936404, 2038320, 2151560, 2420505, 2581872, 3227340, 3872808, 4303120, 4841010, 6454680, 7745616, 9682020, 12909360, 19364040, 38728080]

約数ペア:

[(1, 38728080), (2, 19364040), (3, 12909360), (4, 9682020), (5, 7745616), (6, 6454680), (8, 4841010), (9, 4303120), (10, 3872808), (12, 3227340), (15, 2581872), (16, 2420505), (18, 2151560), (19, 2038320), (20, 1936404), (24, 1613670), (30, 1290936), (36, 1075780), (38, 1019160), (40, 968202), (45, 860624), (48, 806835), (57, 679440), (60, 645468), (72, 537890), (76, 509580), (80, 484101), (90, 430312), (95, 407664), (114, 339720), (120, 322734), (144, 268945), (149, 259920), (152, 254790), (171, 226480), (180, 215156), (190, 203832), (228, 169860), (240, 161367), (285, 135888), (298, 129960), (304, 127395), (342, 113240), (360, 107578), (361, 107280), (380, 101916), (447, 86640), (456, 84930), (570, 67944), (596, 64980), (684, 56620), (720, 53789), (722, 53640), (745, 51984), (760, 50958), (855, 45296), (894, 43320), (912, 42465), (1083, 35760), (1140, 33972), (1192, 32490), (1341, 28880), (1368, 28310), (1444, 26820), (1490, 25992), (1520, 25479), (1710, 22648), (1788, 21660), (1805, 21456), (2166, 17880), (2235, 17328), (2280, 16986), (2384, 16245), (2682, 14440), (2736, 14155), (2831, 13680), (2888, 13410), (2980, 12996), (3249, 11920), (3420, 11324), (3576, 10830), (3610, 10728), (4332, 8940), (4470, 8664), (4560, 8493), (5364, 7220), (5415, 7152), (5662, 6840), (5776, 6705), (5960, 6498)]