31807710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1$

素因数の和:151

約数の個数: 144

約数和(自身を含む): 96286320

約数和(自身を除く): 64478610

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 30, 33, 38, 45, 55, 57, 66, 89, 90, 95, 99, 110, 114, 165, 171, 178, 190, 198, 209, 267, 285, 330, 342, 361, 418, 445, 495, 534, 570, 627, 722, 801, 855, 890, 979, 990, 1045, 1083, 1254, 1335, 1602, 1691, 1710, 1805, 1881, 1958, 2090, 2166, 2670, 2937, 3135, 3249, 3382, 3610, 3762, 3971, 4005, 4895, 5073, 5415, 5874, 6270, 6498, 7942, 8010, 8455, 8811, 9405, 9790, 10146, 10830, 11913, 14685, 15219, 16245, 16910, 17622, 18601, 18810, 19855, 23826, 25365, 29370, 30438, 32129, 32490, 35739, 37202, 39710, 44055, 50730, 55803, 59565, 64258, 71478, 76095, 88110, 93005, 96387, 111606, 119130, 152190, 160645, 167409, 178695, 186010, 192774, 279015, 289161, 321290, 334818, 353419, 357390, 481935, 558030, 578322, 706838, 837045, 963870, 1060257, 1445805, 1674090, 1767095, 2120514, 2891610, 3180771, 3534190, 5301285, 6361542, 10602570, 15903855, 31807710]

約数ペア:

[(1, 31807710), (2, 15903855), (3, 10602570), (5, 6361542), (6, 5301285), (9, 3534190), (10, 3180771), (11, 2891610), (15, 2120514), (18, 1767095), (19, 1674090), (22, 1445805), (30, 1060257), (33, 963870), (38, 837045), (45, 706838), (55, 578322), (57, 558030), (66, 481935), (89, 357390), (90, 353419), (95, 334818), (99, 321290), (110, 289161), (114, 279015), (165, 192774), (171, 186010), (178, 178695), (190, 167409), (198, 160645), (209, 152190), (267, 119130), (285, 111606), (330, 96387), (342, 93005), (361, 88110), (418, 76095), (445, 71478), (495, 64258), (534, 59565), (570, 55803), (627, 50730), (722, 44055), (801, 39710), (855, 37202), (890, 35739), (979, 32490), (990, 32129), (1045, 30438), (1083, 29370), (1254, 25365), (1335, 23826), (1602, 19855), (1691, 18810), (1710, 18601), (1805, 17622), (1881, 16910), (1958, 16245), (2090, 15219), (2166, 14685), (2670, 11913), (2937, 10830), (3135, 10146), (3249, 9790), (3382, 9405), (3610, 8811), (3762, 8455), (3971, 8010), (4005, 7942), (4895, 6498), (5073, 6270), (5415, 5874)]