138775620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 422452800

約数和(自身を除く): 283677180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 43, 57, 60, 76, 86, 95, 114, 129, 149, 172, 190, 215, 228, 258, 285, 298, 361, 380, 430, 447, 516, 570, 596, 645, 722, 745, 817, 860, 894, 1083, 1140, 1290, 1444, 1490, 1634, 1788, 1805, 2166, 2235, 2451, 2580, 2831, 2980, 3268, 3610, 4085, 4332, 4470, 4902, 5415, 5662, 6407, 7220, 8170, 8493, 8940, 9804, 10830, 11324, 12255, 12814, 14155, 15523, 16340, 16986, 19221, 21660, 24510, 25628, 28310, 31046, 32035, 33972, 38442, 42465, 46569, 49020, 53789, 56620, 62092, 64070, 76884, 77615, 84930, 93138, 96105, 107578, 121733, 128140, 155230, 161367, 169860, 186276, 192210, 215156, 232845, 243466, 268945, 310460, 322734, 365199, 384420, 465690, 486932, 537890, 608665, 645468, 730398, 806835, 931380, 1075780, 1217330, 1460796, 1613670, 1825995, 2312927, 2434660, 3227340, 3651990, 4625854, 6938781, 7303980, 9251708, 11564635, 13877562, 23129270, 27755124, 34693905, 46258540, 69387810, 138775620]

約数ペア:

[(1, 138775620), (2, 69387810), (3, 46258540), (4, 34693905), (5, 27755124), (6, 23129270), (10, 13877562), (12, 11564635), (15, 9251708), (19, 7303980), (20, 6938781), (30, 4625854), (38, 3651990), (43, 3227340), (57, 2434660), (60, 2312927), (76, 1825995), (86, 1613670), (95, 1460796), (114, 1217330), (129, 1075780), (149, 931380), (172, 806835), (190, 730398), (215, 645468), (228, 608665), (258, 537890), (285, 486932), (298, 465690), (361, 384420), (380, 365199), (430, 322734), (447, 310460), (516, 268945), (570, 243466), (596, 232845), (645, 215156), (722, 192210), (745, 186276), (817, 169860), (860, 161367), (894, 155230), (1083, 128140), (1140, 121733), (1290, 107578), (1444, 96105), (1490, 93138), (1634, 84930), (1788, 77615), (1805, 76884), (2166, 64070), (2235, 62092), (2451, 56620), (2580, 53789), (2831, 49020), (2980, 46569), (3268, 42465), (3610, 38442), (4085, 33972), (4332, 32035), (4470, 31046), (4902, 28310), (5415, 25628), (5662, 24510), (6407, 21660), (7220, 19221), (8170, 16986), (8493, 16340), (8940, 15523), (9804, 14155), (10830, 12814), (11324, 12255)]