30121840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1$

素因数の和:207

約数の個数: 120

約数和(自身を含む): 85039200

約数和(自身を除く): 54917360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 149, 152, 190, 266, 280, 298, 304, 361, 380, 532, 560, 596, 665, 722, 745, 760, 1043, 1064, 1192, 1330, 1444, 1490, 1520, 1805, 2086, 2128, 2384, 2527, 2660, 2831, 2888, 2980, 3610, 4172, 5054, 5215, 5320, 5662, 5776, 5960, 7220, 8344, 10108, 10430, 10640, 11324, 11920, 12635, 14155, 14440, 16688, 19817, 20216, 20860, 22648, 25270, 28310, 28880, 39634, 40432, 41720, 45296, 50540, 53789, 56620, 79268, 83440, 99085, 101080, 107578, 113240, 158536, 198170, 202160, 215156, 226480, 268945, 317072, 376523, 396340, 430312, 537890, 753046, 792680, 860624, 1075780, 1506092, 1585360, 1882615, 2151560, 3012184, 3765230, 4303120, 6024368, 7530460, 15060920, 30121840]

約数ペア:

[(1, 30121840), (2, 15060920), (4, 7530460), (5, 6024368), (7, 4303120), (8, 3765230), (10, 3012184), (14, 2151560), (16, 1882615), (19, 1585360), (20, 1506092), (28, 1075780), (35, 860624), (38, 792680), (40, 753046), (56, 537890), (70, 430312), (76, 396340), (80, 376523), (95, 317072), (112, 268945), (133, 226480), (140, 215156), (149, 202160), (152, 198170), (190, 158536), (266, 113240), (280, 107578), (298, 101080), (304, 99085), (361, 83440), (380, 79268), (532, 56620), (560, 53789), (596, 50540), (665, 45296), (722, 41720), (745, 40432), (760, 39634), (1043, 28880), (1064, 28310), (1192, 25270), (1330, 22648), (1444, 20860), (1490, 20216), (1520, 19817), (1805, 16688), (2086, 14440), (2128, 14155), (2384, 12635), (2527, 11920), (2660, 11324), (2831, 10640), (2888, 10430), (2980, 10108), (3610, 8344), (4172, 7220), (5054, 5960), (5215, 5776), (5320, 5662)]