2891610

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 72

約数和(自身を含む): 8023860

約数和(自身を除く): 5132250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 89, 90, 95, 114, 171, 178, 190, 267, 285, 342, 361, 445, 534, 570, 722, 801, 855, 890, 1083, 1335, 1602, 1691, 1710, 1805, 2166, 2670, 3249, 3382, 3610, 4005, 5073, 5415, 6498, 8010, 8455, 10146, 10830, 15219, 16245, 16910, 25365, 30438, 32129, 32490, 50730, 64258, 76095, 96387, 152190, 160645, 192774, 289161, 321290, 481935, 578322, 963870, 1445805, 2891610]

約数ペア:

[(1, 2891610), (2, 1445805), (3, 963870), (5, 578322), (6, 481935), (9, 321290), (10, 289161), (15, 192774), (18, 160645), (19, 152190), (30, 96387), (38, 76095), (45, 64258), (57, 50730), (89, 32490), (90, 32129), (95, 30438), (114, 25365), (171, 16910), (178, 16245), (190, 15219), (267, 10830), (285, 10146), (342, 8455), (361, 8010), (445, 6498), (534, 5415), (570, 5073), (722, 4005), (801, 3610), (855, 3382), (890, 3249), (1083, 2670), (1335, 2166), (1602, 1805), (1691, 1710)]