1919120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:192

約数の個数: 80

約数和(自身を含む): 5356800

約数和(自身を除く): 3437680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 149, 161, 184, 230, 280, 298, 322, 368, 460, 560, 596, 644, 745, 805, 920, 1043, 1192, 1288, 1490, 1610, 1840, 2086, 2384, 2576, 2980, 3220, 3427, 4172, 5215, 5960, 6440, 6854, 8344, 10430, 11920, 12880, 13708, 16688, 17135, 20860, 23989, 27416, 34270, 41720, 47978, 54832, 68540, 83440, 95956, 119945, 137080, 191912, 239890, 274160, 383824, 479780, 959560, 1919120]

約数ペア:

[(1, 1919120), (2, 959560), (4, 479780), (5, 383824), (7, 274160), (8, 239890), (10, 191912), (14, 137080), (16, 119945), (20, 95956), (23, 83440), (28, 68540), (35, 54832), (40, 47978), (46, 41720), (56, 34270), (70, 27416), (80, 23989), (92, 20860), (112, 17135), (115, 16688), (140, 13708), (149, 12880), (161, 11920), (184, 10430), (230, 8344), (280, 6854), (298, 6440), (322, 5960), (368, 5215), (460, 4172), (560, 3427), (596, 3220), (644, 2980), (745, 2576), (805, 2384), (920, 2086), (1043, 1840), (1192, 1610), (1288, 1490)]