1667820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2$

素因数の和:68

約数の個数: 144

約数和(自身を含む): 6144768

約数和(自身を除く): 4476948

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 19, 20, 21, 22, 28, 30, 33, 35, 38, 42, 44, 55, 57, 60, 66, 70, 76, 77, 84, 95, 105, 110, 114, 132, 133, 140, 154, 165, 190, 209, 210, 220, 228, 231, 266, 285, 308, 330, 361, 380, 385, 399, 418, 420, 462, 532, 570, 627, 660, 665, 722, 770, 798, 836, 924, 1045, 1083, 1140, 1155, 1254, 1330, 1444, 1463, 1540, 1596, 1805, 1995, 2090, 2166, 2310, 2508, 2527, 2660, 2926, 3135, 3610, 3971, 3990, 4180, 4332, 4389, 4620, 5054, 5415, 5852, 6270, 7220, 7315, 7581, 7942, 7980, 8778, 10108, 10830, 11913, 12540, 12635, 14630, 15162, 15884, 17556, 19855, 21660, 21945, 23826, 25270, 27797, 29260, 30324, 37905, 39710, 43890, 47652, 50540, 55594, 59565, 75810, 79420, 83391, 87780, 111188, 119130, 138985, 151620, 166782, 238260, 277970, 333564, 416955, 555940, 833910, 1667820]

約数ペア:

[(1, 1667820), (2, 833910), (3, 555940), (4, 416955), (5, 333564), (6, 277970), (7, 238260), (10, 166782), (11, 151620), (12, 138985), (14, 119130), (15, 111188), (19, 87780), (20, 83391), (21, 79420), (22, 75810), (28, 59565), (30, 55594), (33, 50540), (35, 47652), (38, 43890), (42, 39710), (44, 37905), (55, 30324), (57, 29260), (60, 27797), (66, 25270), (70, 23826), (76, 21945), (77, 21660), (84, 19855), (95, 17556), (105, 15884), (110, 15162), (114, 14630), (132, 12635), (133, 12540), (140, 11913), (154, 10830), (165, 10108), (190, 8778), (209, 7980), (210, 7942), (220, 7581), (228, 7315), (231, 7220), (266, 6270), (285, 5852), (308, 5415), (330, 5054), (361, 4620), (380, 4389), (385, 4332), (399, 4180), (418, 3990), (420, 3971), (462, 3610), (532, 3135), (570, 2926), (627, 2660), (660, 2527), (665, 2508), (722, 2310), (770, 2166), (798, 2090), (836, 1995), (924, 1805), (1045, 1596), (1083, 1540), (1140, 1463), (1155, 1444), (1254, 1330)]